*****************************************************************************
* www.FindStat.org - The Combinatorial Statistic Finder *
* *
* Copyright (C) 2019 The FindStatCrew <info@findstat.org> *
* *
* This information is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
*****************************************************************************
-----------------------------------------------------------------------------
Statistic identifier: St000974
-----------------------------------------------------------------------------
Collection: Ordered trees
-----------------------------------------------------------------------------
Description: The length of the trunk of an ordered tree.
This is the length of the path from the root to the first vertex which has not exactly one child.
-----------------------------------------------------------------------------
References: [1] Davenport, D. E., Shapiro, L. W., Pudwell, L. K., Woodson, L. C. The boundary of ordered trees [[MathSciNet:3355976]]
-----------------------------------------------------------------------------
Code:
def statistic(T):
t = 0
while len(T) == 1:
T = T[0]
t += 1
return t
-----------------------------------------------------------------------------
Statistic values:
[[]] => 1
[[],[]] => 0
[[[]]] => 2
[[],[],[]] => 0
[[],[[]]] => 0
[[[]],[]] => 0
[[[],[]]] => 1
[[[[]]]] => 3
[[],[],[],[]] => 0
[[],[],[[]]] => 0
[[],[[]],[]] => 0
[[],[[],[]]] => 0
[[],[[[]]]] => 0
[[[]],[],[]] => 0
[[[]],[[]]] => 0
[[[],[]],[]] => 0
[[[[]]],[]] => 0
[[[],[],[]]] => 1
[[[],[[]]]] => 1
[[[[]],[]]] => 1
[[[[],[]]]] => 2
[[[[[]]]]] => 4
[[],[],[],[],[]] => 0
[[],[],[],[[]]] => 0
[[],[],[[]],[]] => 0
[[],[],[[],[]]] => 0
[[],[],[[[]]]] => 0
[[],[[]],[],[]] => 0
[[],[[]],[[]]] => 0
[[],[[],[]],[]] => 0
[[],[[[]]],[]] => 0
[[],[[],[],[]]] => 0
[[],[[],[[]]]] => 0
[[],[[[]],[]]] => 0
[[],[[[],[]]]] => 0
[[],[[[[]]]]] => 0
[[[]],[],[],[]] => 0
[[[]],[],[[]]] => 0
[[[]],[[]],[]] => 0
[[[]],[[],[]]] => 0
[[[]],[[[]]]] => 0
[[[],[]],[],[]] => 0
[[[[]]],[],[]] => 0
[[[],[]],[[]]] => 0
[[[[]]],[[]]] => 0
[[[],[],[]],[]] => 0
[[[],[[]]],[]] => 0
[[[[]],[]],[]] => 0
[[[[],[]]],[]] => 0
[[[[[]]]],[]] => 0
[[[],[],[],[]]] => 1
[[[],[],[[]]]] => 1
[[[],[[]],[]]] => 1
[[[],[[],[]]]] => 1
[[[],[[[]]]]] => 1
[[[[]],[],[]]] => 1
[[[[]],[[]]]] => 1
[[[[],[]],[]]] => 1
[[[[[]]],[]]] => 1
[[[[],[],[]]]] => 2
[[[[],[[]]]]] => 2
[[[[[]],[]]]] => 2
[[[[[],[]]]]] => 3
[[[[[[]]]]]] => 5
[[],[],[],[],[],[]] => 0
[[],[],[],[],[[]]] => 0
[[],[],[],[[]],[]] => 0
[[],[],[],[[],[]]] => 0
[[],[],[],[[[]]]] => 0
[[],[],[[]],[],[]] => 0
[[],[],[[]],[[]]] => 0
[[],[],[[],[]],[]] => 0
[[],[],[[[]]],[]] => 0
[[],[],[[],[],[]]] => 0
[[],[],[[],[[]]]] => 0
[[],[],[[[]],[]]] => 0
[[],[],[[[],[]]]] => 0
[[],[],[[[[]]]]] => 0
[[],[[]],[],[],[]] => 0
[[],[[]],[],[[]]] => 0
[[],[[]],[[]],[]] => 0
[[],[[]],[[],[]]] => 0
[[],[[]],[[[]]]] => 0
[[],[[],[]],[],[]] => 0
[[],[[[]]],[],[]] => 0
[[],[[],[]],[[]]] => 0
[[],[[[]]],[[]]] => 0
[[],[[],[],[]],[]] => 0
[[],[[],[[]]],[]] => 0
[[],[[[]],[]],[]] => 0
[[],[[[],[]]],[]] => 0
[[],[[[[]]]],[]] => 0
[[],[[],[],[],[]]] => 0
[[],[[],[],[[]]]] => 0
[[],[[],[[]],[]]] => 0
[[],[[],[[],[]]]] => 0
[[],[[],[[[]]]]] => 0
[[],[[[]],[],[]]] => 0
[[],[[[]],[[]]]] => 0
[[],[[[],[]],[]]] => 0
[[],[[[[]]],[]]] => 0
[[],[[[],[],[]]]] => 0
[[],[[[],[[]]]]] => 0
[[],[[[[]],[]]]] => 0
[[],[[[[],[]]]]] => 0
[[],[[[[[]]]]]] => 0
[[[]],[],[],[],[]] => 0
[[[]],[],[],[[]]] => 0
[[[]],[],[[]],[]] => 0
[[[]],[],[[],[]]] => 0
[[[]],[],[[[]]]] => 0
[[[]],[[]],[],[]] => 0
[[[]],[[]],[[]]] => 0
[[[]],[[],[]],[]] => 0
[[[]],[[[]]],[]] => 0
[[[]],[[],[],[]]] => 0
[[[]],[[],[[]]]] => 0
[[[]],[[[]],[]]] => 0
[[[]],[[[],[]]]] => 0
[[[]],[[[[]]]]] => 0
[[[],[]],[],[],[]] => 0
[[[[]]],[],[],[]] => 0
[[[],[]],[],[[]]] => 0
[[[[]]],[],[[]]] => 0
[[[],[]],[[]],[]] => 0
[[[[]]],[[]],[]] => 0
[[[],[]],[[],[]]] => 0
[[[],[]],[[[]]]] => 0
[[[[]]],[[],[]]] => 0
[[[[]]],[[[]]]] => 0
[[[],[],[]],[],[]] => 0
[[[],[[]]],[],[]] => 0
[[[[]],[]],[],[]] => 0
[[[[],[]]],[],[]] => 0
[[[[[]]]],[],[]] => 0
[[[],[],[]],[[]]] => 0
[[[],[[]]],[[]]] => 0
[[[[]],[]],[[]]] => 0
[[[[],[]]],[[]]] => 0
[[[[[]]]],[[]]] => 0
[[[],[],[],[]],[]] => 0
[[[],[],[[]]],[]] => 0
[[[],[[]],[]],[]] => 0
[[[],[[],[]]],[]] => 0
[[[],[[[]]]],[]] => 0
[[[[]],[],[]],[]] => 0
[[[[]],[[]]],[]] => 0
[[[[],[]],[]],[]] => 0
[[[[[]]],[]],[]] => 0
[[[[],[],[]]],[]] => 0
[[[[],[[]]]],[]] => 0
[[[[[]],[]]],[]] => 0
[[[[[],[]]]],[]] => 0
[[[[[[]]]]],[]] => 0
[[[],[],[],[],[]]] => 1
[[[],[],[],[[]]]] => 1
[[[],[],[[]],[]]] => 1
[[[],[],[[],[]]]] => 1
[[[],[],[[[]]]]] => 1
[[[],[[]],[],[]]] => 1
[[[],[[]],[[]]]] => 1
[[[],[[],[]],[]]] => 1
[[[],[[[]]],[]]] => 1
[[[],[[],[],[]]]] => 1
[[[],[[],[[]]]]] => 1
[[[],[[[]],[]]]] => 1
[[[],[[[],[]]]]] => 1
[[[],[[[[]]]]]] => 1
[[[[]],[],[],[]]] => 1
[[[[]],[],[[]]]] => 1
[[[[]],[[]],[]]] => 1
[[[[]],[[],[]]]] => 1
[[[[]],[[[]]]]] => 1
[[[[],[]],[],[]]] => 1
[[[[[]]],[],[]]] => 1
[[[[],[]],[[]]]] => 1
[[[[[]]],[[]]]] => 1
[[[[],[],[]],[]]] => 1
[[[[],[[]]],[]]] => 1
[[[[[]],[]],[]]] => 1
[[[[[],[]]],[]]] => 1
[[[[[[]]]],[]]] => 1
[[[[],[],[],[]]]] => 2
[[[[],[],[[]]]]] => 2
[[[[],[[]],[]]]] => 2
[[[[],[[],[]]]]] => 2
[[[[],[[[]]]]]] => 2
[[[[[]],[],[]]]] => 2
[[[[[]],[[]]]]] => 2
[[[[[],[]],[]]]] => 2
[[[[[[]]],[]]]] => 2
[[[[[],[],[]]]]] => 3
[[[[[],[[]]]]]] => 3
[[[[[[]],[]]]]] => 3
[[[[[[],[]]]]]] => 4
[[[[[[[]]]]]]] => 6
[[],[],[],[],[],[],[]] => 0
[[],[],[],[],[],[[]]] => 0
[[],[],[],[],[[]],[]] => 0
[[],[],[],[],[[],[]]] => 0
[[],[],[],[],[[[]]]] => 0
[[],[],[],[[]],[],[]] => 0
[[],[],[],[[]],[[]]] => 0
[[],[],[],[[],[]],[]] => 0
[[],[],[],[[[]]],[]] => 0
[[],[],[],[[],[],[]]] => 0
[[],[],[],[[],[[]]]] => 0
[[],[],[],[[[]],[]]] => 0
[[],[],[],[[[],[]]]] => 0
[[],[],[],[[[[]]]]] => 0
[[],[],[[]],[],[],[]] => 0
[[],[],[[]],[],[[]]] => 0
[[],[],[[]],[[]],[]] => 0
[[],[],[[]],[[],[]]] => 0
[[],[],[[]],[[[]]]] => 0
[[],[],[[],[]],[],[]] => 0
[[],[],[[[]]],[],[]] => 0
[[],[],[[],[]],[[]]] => 0
[[],[],[[[]]],[[]]] => 0
[[],[],[[],[],[]],[]] => 0
[[],[],[[],[[]]],[]] => 0
[[],[],[[[]],[]],[]] => 0
[[],[],[[[],[]]],[]] => 0
[[],[],[[[[]]]],[]] => 0
[[],[],[[],[],[],[]]] => 0
[[],[],[[],[],[[]]]] => 0
[[],[],[[],[[]],[]]] => 0
[[],[],[[],[[],[]]]] => 0
[[],[],[[],[[[]]]]] => 0
[[],[],[[[]],[],[]]] => 0
[[],[],[[[]],[[]]]] => 0
[[],[],[[[],[]],[]]] => 0
[[],[],[[[[]]],[]]] => 0
[[],[],[[[],[],[]]]] => 0
[[],[],[[[],[[]]]]] => 0
[[],[],[[[[]],[]]]] => 0
[[],[],[[[[],[]]]]] => 0
[[],[],[[[[[]]]]]] => 0
[[],[[]],[],[],[],[]] => 0
[[],[[]],[],[],[[]]] => 0
[[],[[]],[],[[]],[]] => 0
[[],[[]],[],[[],[]]] => 0
[[],[[]],[],[[[]]]] => 0
[[],[[]],[[]],[],[]] => 0
[[],[[]],[[]],[[]]] => 0
[[],[[]],[[],[]],[]] => 0
[[],[[]],[[[]]],[]] => 0
[[],[[]],[[],[],[]]] => 0
[[],[[]],[[],[[]]]] => 0
[[],[[]],[[[]],[]]] => 0
[[],[[]],[[[],[]]]] => 0
[[],[[]],[[[[]]]]] => 0
[[],[[],[]],[],[],[]] => 0
[[],[[[]]],[],[],[]] => 0
[[],[[],[]],[],[[]]] => 0
[[],[[[]]],[],[[]]] => 0
[[],[[],[]],[[]],[]] => 0
[[],[[[]]],[[]],[]] => 0
[[],[[],[]],[[],[]]] => 0
[[],[[],[]],[[[]]]] => 0
[[],[[[]]],[[],[]]] => 0
[[],[[[]]],[[[]]]] => 0
[[],[[],[],[]],[],[]] => 0
[[],[[],[[]]],[],[]] => 0
[[],[[[]],[]],[],[]] => 0
[[],[[[],[]]],[],[]] => 0
[[],[[[[]]]],[],[]] => 0
[[],[[],[],[]],[[]]] => 0
[[],[[],[[]]],[[]]] => 0
[[],[[[]],[]],[[]]] => 0
[[],[[[],[]]],[[]]] => 0
[[],[[[[]]]],[[]]] => 0
[[],[[],[],[],[]],[]] => 0
[[],[[],[],[[]]],[]] => 0
[[],[[],[[]],[]],[]] => 0
[[],[[],[[],[]]],[]] => 0
[[],[[],[[[]]]],[]] => 0
[[],[[[]],[],[]],[]] => 0
[[],[[[]],[[]]],[]] => 0
[[],[[[],[]],[]],[]] => 0
[[],[[[[]]],[]],[]] => 0
[[],[[[],[],[]]],[]] => 0
[[],[[[],[[]]]],[]] => 0
[[],[[[[]],[]]],[]] => 0
[[],[[[[],[]]]],[]] => 0
[[],[[[[[]]]]],[]] => 0
[[],[[],[],[],[],[]]] => 0
[[],[[],[],[],[[]]]] => 0
[[],[[],[],[[]],[]]] => 0
[[],[[],[],[[],[]]]] => 0
[[],[[],[],[[[]]]]] => 0
[[],[[],[[]],[],[]]] => 0
[[],[[],[[]],[[]]]] => 0
[[],[[],[[],[]],[]]] => 0
[[],[[],[[[]]],[]]] => 0
[[],[[],[[],[],[]]]] => 0
[[],[[],[[],[[]]]]] => 0
[[],[[],[[[]],[]]]] => 0
[[],[[],[[[],[]]]]] => 0
[[],[[],[[[[]]]]]] => 0
[[],[[[]],[],[],[]]] => 0
[[],[[[]],[],[[]]]] => 0
[[],[[[]],[[]],[]]] => 0
[[],[[[]],[[],[]]]] => 0
[[],[[[]],[[[]]]]] => 0
[[],[[[],[]],[],[]]] => 0
[[],[[[[]]],[],[]]] => 0
[[],[[[],[]],[[]]]] => 0
[[],[[[[]]],[[]]]] => 0
[[],[[[],[],[]],[]]] => 0
[[],[[[],[[]]],[]]] => 0
[[],[[[[]],[]],[]]] => 0
[[],[[[[],[]]],[]]] => 0
[[],[[[[[]]]],[]]] => 0
[[],[[[],[],[],[]]]] => 0
[[],[[[],[],[[]]]]] => 0
[[],[[[],[[]],[]]]] => 0
[[],[[[],[[],[]]]]] => 0
[[],[[[],[[[]]]]]] => 0
[[],[[[[]],[],[]]]] => 0
[[],[[[[]],[[]]]]] => 0
[[],[[[[],[]],[]]]] => 0
[[],[[[[[]]],[]]]] => 0
[[],[[[[],[],[]]]]] => 0
[[],[[[[],[[]]]]]] => 0
[[],[[[[[]],[]]]]] => 0
[[],[[[[[],[]]]]]] => 0
[[],[[[[[[]]]]]]] => 0
[[[]],[],[],[],[],[]] => 0
[[[]],[],[],[],[[]]] => 0
[[[]],[],[],[[]],[]] => 0
[[[]],[],[],[[],[]]] => 0
[[[]],[],[],[[[]]]] => 0
[[[]],[],[[]],[],[]] => 0
[[[]],[],[[]],[[]]] => 0
[[[]],[],[[],[]],[]] => 0
[[[]],[],[[[]]],[]] => 0
[[[]],[],[[],[],[]]] => 0
[[[]],[],[[],[[]]]] => 0
[[[]],[],[[[]],[]]] => 0
[[[]],[],[[[],[]]]] => 0
[[[]],[],[[[[]]]]] => 0
[[[]],[[]],[],[],[]] => 0
[[[]],[[]],[],[[]]] => 0
[[[]],[[]],[[]],[]] => 0
[[[]],[[]],[[],[]]] => 0
[[[]],[[]],[[[]]]] => 0
[[[]],[[],[]],[],[]] => 0
[[[]],[[[]]],[],[]] => 0
[[[]],[[],[]],[[]]] => 0
[[[]],[[[]]],[[]]] => 0
[[[]],[[],[],[]],[]] => 0
[[[]],[[],[[]]],[]] => 0
[[[]],[[[]],[]],[]] => 0
[[[]],[[[],[]]],[]] => 0
[[[]],[[[[]]]],[]] => 0
[[[]],[[],[],[],[]]] => 0
[[[]],[[],[],[[]]]] => 0
[[[]],[[],[[]],[]]] => 0
[[[]],[[],[[],[]]]] => 0
[[[]],[[],[[[]]]]] => 0
[[[]],[[[]],[],[]]] => 0
[[[]],[[[]],[[]]]] => 0
[[[]],[[[],[]],[]]] => 0
[[[]],[[[[]]],[]]] => 0
[[[]],[[[],[],[]]]] => 0
[[[]],[[[],[[]]]]] => 0
[[[]],[[[[]],[]]]] => 0
[[[]],[[[[],[]]]]] => 0
[[[]],[[[[[]]]]]] => 0
[[[],[]],[],[],[],[]] => 0
[[[[]]],[],[],[],[]] => 0
[[[],[]],[],[],[[]]] => 0
[[[[]]],[],[],[[]]] => 0
[[[],[]],[],[[]],[]] => 0
[[[[]]],[],[[]],[]] => 0
[[[],[]],[],[[],[]]] => 0
[[[],[]],[],[[[]]]] => 0
[[[[]]],[],[[],[]]] => 0
[[[[]]],[],[[[]]]] => 0
[[[],[]],[[]],[],[]] => 0
[[[[]]],[[]],[],[]] => 0
[[[],[]],[[]],[[]]] => 0
[[[[]]],[[]],[[]]] => 0
[[[],[]],[[],[]],[]] => 0
[[[],[]],[[[]]],[]] => 0
[[[[]]],[[],[]],[]] => 0
[[[[]]],[[[]]],[]] => 0
[[[],[]],[[],[],[]]] => 0
[[[],[]],[[],[[]]]] => 0
[[[],[]],[[[]],[]]] => 0
[[[],[]],[[[],[]]]] => 0
[[[],[]],[[[[]]]]] => 0
[[[[]]],[[],[],[]]] => 0
[[[[]]],[[],[[]]]] => 0
[[[[]]],[[[]],[]]] => 0
[[[[]]],[[[],[]]]] => 0
[[[[]]],[[[[]]]]] => 0
[[[],[],[]],[],[],[]] => 0
[[[],[[]]],[],[],[]] => 0
[[[[]],[]],[],[],[]] => 0
[[[[],[]]],[],[],[]] => 0
[[[[[]]]],[],[],[]] => 0
[[[],[],[]],[],[[]]] => 0
[[[],[[]]],[],[[]]] => 0
[[[[]],[]],[],[[]]] => 0
[[[[],[]]],[],[[]]] => 0
[[[[[]]]],[],[[]]] => 0
[[[],[],[]],[[]],[]] => 0
[[[],[[]]],[[]],[]] => 0
[[[[]],[]],[[]],[]] => 0
[[[[],[]]],[[]],[]] => 0
[[[[[]]]],[[]],[]] => 0
[[[],[],[]],[[],[]]] => 0
[[[],[],[]],[[[]]]] => 0
[[[],[[]]],[[],[]]] => 0
[[[],[[]]],[[[]]]] => 0
[[[[]],[]],[[],[]]] => 0
[[[[]],[]],[[[]]]] => 0
[[[[],[]]],[[],[]]] => 0
[[[[],[]]],[[[]]]] => 0
[[[[[]]]],[[],[]]] => 0
[[[[[]]]],[[[]]]] => 0
[[[],[],[],[]],[],[]] => 0
[[[],[],[[]]],[],[]] => 0
[[[],[[]],[]],[],[]] => 0
[[[],[[],[]]],[],[]] => 0
[[[],[[[]]]],[],[]] => 0
[[[[]],[],[]],[],[]] => 0
[[[[]],[[]]],[],[]] => 0
[[[[],[]],[]],[],[]] => 0
[[[[[]]],[]],[],[]] => 0
[[[[],[],[]]],[],[]] => 0
[[[[],[[]]]],[],[]] => 0
[[[[[]],[]]],[],[]] => 0
[[[[[],[]]]],[],[]] => 0
[[[[[[]]]]],[],[]] => 0
[[[],[],[],[]],[[]]] => 0
[[[],[],[[]]],[[]]] => 0
[[[],[[]],[]],[[]]] => 0
[[[],[[],[]]],[[]]] => 0
[[[],[[[]]]],[[]]] => 0
[[[[]],[],[]],[[]]] => 0
[[[[]],[[]]],[[]]] => 0
[[[[],[]],[]],[[]]] => 0
[[[[[]]],[]],[[]]] => 0
[[[[],[],[]]],[[]]] => 0
[[[[],[[]]]],[[]]] => 0
[[[[[]],[]]],[[]]] => 0
[[[[[],[]]]],[[]]] => 0
[[[[[[]]]]],[[]]] => 0
[[[],[],[],[],[]],[]] => 0
[[[],[],[],[[]]],[]] => 0
[[[],[],[[]],[]],[]] => 0
[[[],[],[[],[]]],[]] => 0
[[[],[],[[[]]]],[]] => 0
[[[],[[]],[],[]],[]] => 0
[[[],[[]],[[]]],[]] => 0
[[[],[[],[]],[]],[]] => 0
[[[],[[[]]],[]],[]] => 0
[[[],[[],[],[]]],[]] => 0
[[[],[[],[[]]]],[]] => 0
[[[],[[[]],[]]],[]] => 0
[[[],[[[],[]]]],[]] => 0
[[[],[[[[]]]]],[]] => 0
[[[[]],[],[],[]],[]] => 0
[[[[]],[],[[]]],[]] => 0
[[[[]],[[]],[]],[]] => 0
[[[[]],[[],[]]],[]] => 0
[[[[]],[[[]]]],[]] => 0
[[[[],[]],[],[]],[]] => 0
[[[[[]]],[],[]],[]] => 0
[[[[],[]],[[]]],[]] => 0
[[[[[]]],[[]]],[]] => 0
[[[[],[],[]],[]],[]] => 0
[[[[],[[]]],[]],[]] => 0
[[[[[]],[]],[]],[]] => 0
[[[[[],[]]],[]],[]] => 0
[[[[[[]]]],[]],[]] => 0
[[[[],[],[],[]]],[]] => 0
[[[[],[],[[]]]],[]] => 0
[[[[],[[]],[]]],[]] => 0
[[[[],[[],[]]]],[]] => 0
[[[[],[[[]]]]],[]] => 0
[[[[[]],[],[]]],[]] => 0
[[[[[]],[[]]]],[]] => 0
[[[[[],[]],[]]],[]] => 0
[[[[[[]]],[]]],[]] => 0
[[[[[],[],[]]]],[]] => 0
[[[[[],[[]]]]],[]] => 0
[[[[[[]],[]]]],[]] => 0
[[[[[[],[]]]]],[]] => 0
[[[[[[[]]]]]],[]] => 0
[[[],[],[],[],[],[]]] => 1
[[[],[],[],[],[[]]]] => 1
[[[],[],[],[[]],[]]] => 1
[[[],[],[],[[],[]]]] => 1
[[[],[],[],[[[]]]]] => 1
[[[],[],[[]],[],[]]] => 1
[[[],[],[[]],[[]]]] => 1
[[[],[],[[],[]],[]]] => 1
[[[],[],[[[]]],[]]] => 1
[[[],[],[[],[],[]]]] => 1
[[[],[],[[],[[]]]]] => 1
[[[],[],[[[]],[]]]] => 1
[[[],[],[[[],[]]]]] => 1
[[[],[],[[[[]]]]]] => 1
[[[],[[]],[],[],[]]] => 1
[[[],[[]],[],[[]]]] => 1
[[[],[[]],[[]],[]]] => 1
[[[],[[]],[[],[]]]] => 1
[[[],[[]],[[[]]]]] => 1
[[[],[[],[]],[],[]]] => 1
[[[],[[[]]],[],[]]] => 1
[[[],[[],[]],[[]]]] => 1
[[[],[[[]]],[[]]]] => 1
[[[],[[],[],[]],[]]] => 1
[[[],[[],[[]]],[]]] => 1
[[[],[[[]],[]],[]]] => 1
[[[],[[[],[]]],[]]] => 1
[[[],[[[[]]]],[]]] => 1
[[[],[[],[],[],[]]]] => 1
[[[],[[],[],[[]]]]] => 1
[[[],[[],[[]],[]]]] => 1
[[[],[[],[[],[]]]]] => 1
[[[],[[],[[[]]]]]] => 1
[[[],[[[]],[],[]]]] => 1
[[[],[[[]],[[]]]]] => 1
[[[],[[[],[]],[]]]] => 1
[[[],[[[[]]],[]]]] => 1
[[[],[[[],[],[]]]]] => 1
[[[],[[[],[[]]]]]] => 1
[[[],[[[[]],[]]]]] => 1
[[[],[[[[],[]]]]]] => 1
[[[],[[[[[]]]]]]] => 1
[[[[]],[],[],[],[]]] => 1
[[[[]],[],[],[[]]]] => 1
[[[[]],[],[[]],[]]] => 1
[[[[]],[],[[],[]]]] => 1
[[[[]],[],[[[]]]]] => 1
[[[[]],[[]],[],[]]] => 1
[[[[]],[[]],[[]]]] => 1
[[[[]],[[],[]],[]]] => 1
[[[[]],[[[]]],[]]] => 1
[[[[]],[[],[],[]]]] => 1
[[[[]],[[],[[]]]]] => 1
[[[[]],[[[]],[]]]] => 1
[[[[]],[[[],[]]]]] => 1
[[[[]],[[[[]]]]]] => 1
[[[[],[]],[],[],[]]] => 1
[[[[[]]],[],[],[]]] => 1
[[[[],[]],[],[[]]]] => 1
[[[[[]]],[],[[]]]] => 1
[[[[],[]],[[]],[]]] => 1
[[[[[]]],[[]],[]]] => 1
[[[[],[]],[[],[]]]] => 1
[[[[],[]],[[[]]]]] => 1
[[[[[]]],[[],[]]]] => 1
[[[[[]]],[[[]]]]] => 1
[[[[],[],[]],[],[]]] => 1
[[[[],[[]]],[],[]]] => 1
[[[[[]],[]],[],[]]] => 1
[[[[[],[]]],[],[]]] => 1
[[[[[[]]]],[],[]]] => 1
[[[[],[],[]],[[]]]] => 1
[[[[],[[]]],[[]]]] => 1
[[[[[]],[]],[[]]]] => 1
[[[[[],[]]],[[]]]] => 1
[[[[[[]]]],[[]]]] => 1
[[[[],[],[],[]],[]]] => 1
[[[[],[],[[]]],[]]] => 1
[[[[],[[]],[]],[]]] => 1
[[[[],[[],[]]],[]]] => 1
[[[[],[[[]]]],[]]] => 1
[[[[[]],[],[]],[]]] => 1
[[[[[]],[[]]],[]]] => 1
[[[[[],[]],[]],[]]] => 1
[[[[[[]]],[]],[]]] => 1
[[[[[],[],[]]],[]]] => 1
[[[[[],[[]]]],[]]] => 1
[[[[[[]],[]]],[]]] => 1
[[[[[[],[]]]],[]]] => 1
[[[[[[[]]]]],[]]] => 1
[[[[],[],[],[],[]]]] => 2
[[[[],[],[],[[]]]]] => 2
[[[[],[],[[]],[]]]] => 2
[[[[],[],[[],[]]]]] => 2
[[[[],[],[[[]]]]]] => 2
[[[[],[[]],[],[]]]] => 2
[[[[],[[]],[[]]]]] => 2
[[[[],[[],[]],[]]]] => 2
[[[[],[[[]]],[]]]] => 2
[[[[],[[],[],[]]]]] => 2
[[[[],[[],[[]]]]]] => 2
[[[[],[[[]],[]]]]] => 2
[[[[],[[[],[]]]]]] => 2
[[[[],[[[[]]]]]]] => 2
[[[[[]],[],[],[]]]] => 2
[[[[[]],[],[[]]]]] => 2
[[[[[]],[[]],[]]]] => 2
[[[[[]],[[],[]]]]] => 2
[[[[[]],[[[]]]]]] => 2
[[[[[],[]],[],[]]]] => 2
[[[[[[]]],[],[]]]] => 2
[[[[[],[]],[[]]]]] => 2
[[[[[[]]],[[]]]]] => 2
[[[[[],[],[]],[]]]] => 2
[[[[[],[[]]],[]]]] => 2
[[[[[[]],[]],[]]]] => 2
[[[[[[],[]]],[]]]] => 2
[[[[[[[]]]],[]]]] => 2
[[[[[],[],[],[]]]]] => 3
[[[[[],[],[[]]]]]] => 3
[[[[[],[[]],[]]]]] => 3
[[[[[],[[],[]]]]]] => 3
[[[[[],[[[]]]]]]] => 3
[[[[[[]],[],[]]]]] => 3
[[[[[[]],[[]]]]]] => 3
[[[[[[],[]],[]]]]] => 3
[[[[[[[]]],[]]]]] => 3
[[[[[[],[],[]]]]]] => 4
[[[[[[],[[]]]]]]] => 4
[[[[[[[]],[]]]]]] => 4
[[[[[[[],[]]]]]]] => 5
[[[[[[[[]]]]]]]] => 7
[[],[],[],[],[],[],[],[]] => 0
[[],[],[],[],[],[],[[]]] => 0
[[],[],[],[],[],[[]],[]] => 0
[[],[],[],[],[],[[],[]]] => 0
[[],[],[],[],[],[[[]]]] => 0
[[],[],[],[],[[]],[],[]] => 0
[[],[],[],[],[[]],[[]]] => 0
[[],[],[],[],[[],[]],[]] => 0
[[],[],[],[],[[[]]],[]] => 0
[[],[],[],[],[[],[],[]]] => 0
[[],[],[],[],[[],[[]]]] => 0
[[],[],[],[],[[[]],[]]] => 0
[[],[],[],[],[[[],[]]]] => 0
[[],[],[],[],[[[[]]]]] => 0
[[],[],[],[[]],[],[],[]] => 0
[[],[],[],[[]],[],[[]]] => 0
[[],[],[],[[]],[[]],[]] => 0
[[],[],[],[[]],[[],[]]] => 0
[[],[],[],[[]],[[[]]]] => 0
[[],[],[],[[],[]],[],[]] => 0
[[],[],[],[[[]]],[],[]] => 0
[[],[],[],[[],[]],[[]]] => 0
[[],[],[],[[[]]],[[]]] => 0
[[],[],[],[[],[],[]],[]] => 0
[[],[],[],[[],[[]]],[]] => 0
[[],[],[],[[[]],[]],[]] => 0
[[],[],[],[[[],[]]],[]] => 0
[[],[],[],[[[[]]]],[]] => 0
[[],[],[],[[],[],[],[]]] => 0
[[],[],[],[[],[],[[]]]] => 0
[[],[],[],[[],[[]],[]]] => 0
[[],[],[],[[],[[],[]]]] => 0
[[],[],[],[[],[[[]]]]] => 0
[[],[],[],[[[]],[],[]]] => 0
[[],[],[],[[[]],[[]]]] => 0
[[],[],[],[[[],[]],[]]] => 0
[[],[],[],[[[[]]],[]]] => 0
[[],[],[],[[[],[],[]]]] => 0
[[],[],[],[[[],[[]]]]] => 0
[[],[],[],[[[[]],[]]]] => 0
[[],[],[],[[[[],[]]]]] => 0
[[],[],[],[[[[[]]]]]] => 0
[[],[],[[]],[],[],[],[]] => 0
[[],[],[[]],[],[],[[]]] => 0
[[],[],[[]],[],[[]],[]] => 0
[[],[],[[]],[],[[],[]]] => 0
[[],[],[[]],[],[[[]]]] => 0
[[],[],[[]],[[]],[],[]] => 0
[[],[],[[]],[[]],[[]]] => 0
[[],[],[[]],[[],[]],[]] => 0
[[],[],[[]],[[[]]],[]] => 0
[[],[],[[]],[[],[],[]]] => 0
[[],[],[[]],[[],[[]]]] => 0
[[],[],[[]],[[[]],[]]] => 0
[[],[],[[]],[[[],[]]]] => 0
[[],[],[[]],[[[[]]]]] => 0
[[],[],[[],[]],[],[],[]] => 0
[[],[],[[[]]],[],[],[]] => 0
[[],[],[[],[]],[],[[]]] => 0
[[],[],[[[]]],[],[[]]] => 0
[[],[],[[],[]],[[]],[]] => 0
[[],[],[[[]]],[[]],[]] => 0
[[],[],[[],[]],[[],[]]] => 0
[[],[],[[],[]],[[[]]]] => 0
[[],[],[[[]]],[[],[]]] => 0
[[],[],[[[]]],[[[]]]] => 0
[[],[],[[],[],[]],[],[]] => 0
[[],[],[[],[[]]],[],[]] => 0
[[],[],[[[]],[]],[],[]] => 0
[[],[],[[[],[]]],[],[]] => 0
[[],[],[[[[]]]],[],[]] => 0
[[],[],[[],[],[]],[[]]] => 0
[[],[],[[],[[]]],[[]]] => 0
[[],[],[[[]],[]],[[]]] => 0
[[],[],[[[],[]]],[[]]] => 0
[[],[],[[[[]]]],[[]]] => 0
[[],[],[[],[],[],[]],[]] => 0
[[],[],[[],[],[[]]],[]] => 0
[[],[],[[],[[]],[]],[]] => 0
[[],[],[[],[[],[]]],[]] => 0
[[],[],[[],[[[]]]],[]] => 0
[[],[],[[[]],[],[]],[]] => 0
[[],[],[[[]],[[]]],[]] => 0
[[],[],[[[],[]],[]],[]] => 0
[[],[],[[[[]]],[]],[]] => 0
[[],[],[[[],[],[]]],[]] => 0
[[],[],[[[],[[]]]],[]] => 0
[[],[],[[[[]],[]]],[]] => 0
[[],[],[[[[],[]]]],[]] => 0
[[],[],[[[[[]]]]],[]] => 0
[[],[],[[],[],[],[],[]]] => 0
[[],[],[[],[],[],[[]]]] => 0
[[],[],[[],[],[[]],[]]] => 0
[[],[],[[],[],[[],[]]]] => 0
[[],[],[[],[],[[[]]]]] => 0
[[],[],[[],[[]],[],[]]] => 0
[[],[],[[],[[]],[[]]]] => 0
[[],[],[[],[[],[]],[]]] => 0
[[],[],[[],[[[]]],[]]] => 0
[[],[],[[],[[],[],[]]]] => 0
[[],[],[[],[[],[[]]]]] => 0
[[],[],[[],[[[]],[]]]] => 0
[[],[],[[],[[[],[]]]]] => 0
[[],[],[[],[[[[]]]]]] => 0
[[],[],[[[]],[],[],[]]] => 0
[[],[],[[[]],[],[[]]]] => 0
[[],[],[[[]],[[]],[]]] => 0
[[],[],[[[]],[[],[]]]] => 0
[[],[],[[[]],[[[]]]]] => 0
[[],[],[[[],[]],[],[]]] => 0
[[],[],[[[[]]],[],[]]] => 0
[[],[],[[[],[]],[[]]]] => 0
[[],[],[[[[]]],[[]]]] => 0
[[],[],[[[],[],[]],[]]] => 0
[[],[],[[[],[[]]],[]]] => 0
[[],[],[[[[]],[]],[]]] => 0
[[],[],[[[[],[]]],[]]] => 0
[[],[],[[[[[]]]],[]]] => 0
[[],[],[[[],[],[],[]]]] => 0
[[],[],[[[],[],[[]]]]] => 0
[[],[],[[[],[[]],[]]]] => 0
[[],[],[[[],[[],[]]]]] => 0
[[],[],[[[],[[[]]]]]] => 0
[[],[],[[[[]],[],[]]]] => 0
[[],[],[[[[]],[[]]]]] => 0
[[],[],[[[[],[]],[]]]] => 0
[[],[],[[[[[]]],[]]]] => 0
[[],[],[[[[],[],[]]]]] => 0
[[],[],[[[[],[[]]]]]] => 0
[[],[],[[[[[]],[]]]]] => 0
[[],[],[[[[[],[]]]]]] => 0
[[],[],[[[[[[]]]]]]] => 0
[[],[[]],[],[],[],[],[]] => 0
[[],[[]],[],[],[],[[]]] => 0
[[],[[]],[],[],[[]],[]] => 0
[[],[[]],[],[],[[],[]]] => 0
[[],[[]],[],[],[[[]]]] => 0
[[],[[]],[],[[]],[],[]] => 0
[[],[[]],[],[[]],[[]]] => 0
[[],[[]],[],[[],[]],[]] => 0
[[],[[]],[],[[[]]],[]] => 0
[[],[[]],[],[[],[],[]]] => 0
[[],[[]],[],[[],[[]]]] => 0
[[],[[]],[],[[[]],[]]] => 0
[[],[[]],[],[[[],[]]]] => 0
[[],[[]],[],[[[[]]]]] => 0
[[],[[]],[[]],[],[],[]] => 0
[[],[[]],[[]],[],[[]]] => 0
[[],[[]],[[]],[[]],[]] => 0
[[],[[]],[[]],[[],[]]] => 0
[[],[[]],[[]],[[[]]]] => 0
[[],[[]],[[],[]],[],[]] => 0
[[],[[]],[[[]]],[],[]] => 0
[[],[[]],[[],[]],[[]]] => 0
[[],[[]],[[[]]],[[]]] => 0
[[],[[]],[[],[],[]],[]] => 0
[[],[[]],[[],[[]]],[]] => 0
[[],[[]],[[[]],[]],[]] => 0
[[],[[]],[[[],[]]],[]] => 0
[[],[[]],[[[[]]]],[]] => 0
[[],[[]],[[],[],[],[]]] => 0
[[],[[]],[[],[],[[]]]] => 0
[[],[[]],[[],[[]],[]]] => 0
[[],[[]],[[],[[],[]]]] => 0
[[],[[]],[[],[[[]]]]] => 0
[[],[[]],[[[]],[],[]]] => 0
[[],[[]],[[[]],[[]]]] => 0
[[],[[]],[[[],[]],[]]] => 0
[[],[[]],[[[[]]],[]]] => 0
[[],[[]],[[[],[],[]]]] => 0
[[],[[]],[[[],[[]]]]] => 0
[[],[[]],[[[[]],[]]]] => 0
[[],[[]],[[[[],[]]]]] => 0
[[],[[]],[[[[[]]]]]] => 0
[[],[[],[]],[],[],[],[]] => 0
[[],[[[]]],[],[],[],[]] => 0
[[],[[],[]],[],[],[[]]] => 0
[[],[[[]]],[],[],[[]]] => 0
[[],[[],[]],[],[[]],[]] => 0
[[],[[[]]],[],[[]],[]] => 0
[[],[[],[]],[],[[],[]]] => 0
[[],[[],[]],[],[[[]]]] => 0
[[],[[[]]],[],[[],[]]] => 0
[[],[[[]]],[],[[[]]]] => 0
[[],[[],[]],[[]],[],[]] => 0
[[],[[[]]],[[]],[],[]] => 0
[[],[[],[]],[[]],[[]]] => 0
[[],[[[]]],[[]],[[]]] => 0
[[],[[],[]],[[],[]],[]] => 0
[[],[[],[]],[[[]]],[]] => 0
[[],[[[]]],[[],[]],[]] => 0
[[],[[[]]],[[[]]],[]] => 0
[[],[[],[]],[[],[],[]]] => 0
[[],[[],[]],[[],[[]]]] => 0
[[],[[],[]],[[[]],[]]] => 0
[[],[[],[]],[[[],[]]]] => 0
[[],[[],[]],[[[[]]]]] => 0
[[],[[[]]],[[],[],[]]] => 0
[[],[[[]]],[[],[[]]]] => 0
[[],[[[]]],[[[]],[]]] => 0
[[],[[[]]],[[[],[]]]] => 0
[[],[[[]]],[[[[]]]]] => 0
[[],[[],[],[]],[],[],[]] => 0
[[],[[],[[]]],[],[],[]] => 0
[[],[[[]],[]],[],[],[]] => 0
[[],[[[],[]]],[],[],[]] => 0
[[],[[[[]]]],[],[],[]] => 0
[[],[[],[],[]],[],[[]]] => 0
[[],[[],[[]]],[],[[]]] => 0
[[],[[[]],[]],[],[[]]] => 0
[[],[[[],[]]],[],[[]]] => 0
[[],[[[[]]]],[],[[]]] => 0
[[],[[],[],[]],[[]],[]] => 0
[[],[[],[[]]],[[]],[]] => 0
[[],[[[]],[]],[[]],[]] => 0
[[],[[[],[]]],[[]],[]] => 0
[[],[[[[]]]],[[]],[]] => 0
[[],[[],[],[]],[[],[]]] => 0
[[],[[],[],[]],[[[]]]] => 0
[[],[[],[[]]],[[],[]]] => 0
[[],[[],[[]]],[[[]]]] => 0
[[],[[[]],[]],[[],[]]] => 0
[[],[[[]],[]],[[[]]]] => 0
[[],[[[],[]]],[[],[]]] => 0
[[],[[[],[]]],[[[]]]] => 0
[[],[[[[]]]],[[],[]]] => 0
[[],[[[[]]]],[[[]]]] => 0
[[],[[],[],[],[]],[],[]] => 0
[[],[[],[],[[]]],[],[]] => 0
[[],[[],[[]],[]],[],[]] => 0
[[],[[],[[],[]]],[],[]] => 0
[[],[[],[[[]]]],[],[]] => 0
[[],[[[]],[],[]],[],[]] => 0
[[],[[[]],[[]]],[],[]] => 0
[[],[[[],[]],[]],[],[]] => 0
[[],[[[[]]],[]],[],[]] => 0
[[],[[[],[],[]]],[],[]] => 0
[[],[[[],[[]]]],[],[]] => 0
[[],[[[[]],[]]],[],[]] => 0
[[],[[[[],[]]]],[],[]] => 0
[[],[[[[[]]]]],[],[]] => 0
[[],[[],[],[],[]],[[]]] => 0
[[],[[],[],[[]]],[[]]] => 0
[[],[[],[[]],[]],[[]]] => 0
[[],[[],[[],[]]],[[]]] => 0
[[],[[],[[[]]]],[[]]] => 0
[[],[[[]],[],[]],[[]]] => 0
[[],[[[]],[[]]],[[]]] => 0
[[],[[[],[]],[]],[[]]] => 0
[[],[[[[]]],[]],[[]]] => 0
[[],[[[],[],[]]],[[]]] => 0
[[],[[[],[[]]]],[[]]] => 0
[[],[[[[]],[]]],[[]]] => 0
[[],[[[[],[]]]],[[]]] => 0
[[],[[[[[]]]]],[[]]] => 0
[[],[[],[],[],[],[]],[]] => 0
[[],[[],[],[],[[]]],[]] => 0
[[],[[],[],[[]],[]],[]] => 0
[[],[[],[],[[],[]]],[]] => 0
[[],[[],[],[[[]]]],[]] => 0
[[],[[],[[]],[],[]],[]] => 0
[[],[[],[[]],[[]]],[]] => 0
[[],[[],[[],[]],[]],[]] => 0
[[],[[],[[[]]],[]],[]] => 0
[[],[[],[[],[],[]]],[]] => 0
[[],[[],[[],[[]]]],[]] => 0
[[],[[],[[[]],[]]],[]] => 0
[[],[[],[[[],[]]]],[]] => 0
[[],[[],[[[[]]]]],[]] => 0
[[],[[[]],[],[],[]],[]] => 0
[[],[[[]],[],[[]]],[]] => 0
[[],[[[]],[[]],[]],[]] => 0
[[],[[[]],[[],[]]],[]] => 0
[[],[[[]],[[[]]]],[]] => 0
[[],[[[],[]],[],[]],[]] => 0
[[],[[[[]]],[],[]],[]] => 0
[[],[[[],[]],[[]]],[]] => 0
[[],[[[[]]],[[]]],[]] => 0
[[],[[[],[],[]],[]],[]] => 0
[[],[[[],[[]]],[]],[]] => 0
[[],[[[[]],[]],[]],[]] => 0
[[],[[[[],[]]],[]],[]] => 0
[[],[[[[[]]]],[]],[]] => 0
[[],[[[],[],[],[]]],[]] => 0
[[],[[[],[],[[]]]],[]] => 0
[[],[[[],[[]],[]]],[]] => 0
[[],[[[],[[],[]]]],[]] => 0
[[],[[[],[[[]]]]],[]] => 0
[[],[[[[]],[],[]]],[]] => 0
[[],[[[[]],[[]]]],[]] => 0
[[],[[[[],[]],[]]],[]] => 0
[[],[[[[[]]],[]]],[]] => 0
[[],[[[[],[],[]]]],[]] => 0
[[],[[[[],[[]]]]],[]] => 0
[[],[[[[[]],[]]]],[]] => 0
[[],[[[[[],[]]]]],[]] => 0
[[],[[[[[[]]]]]],[]] => 0
[[],[[],[],[],[],[],[]]] => 0
[[],[[],[],[],[],[[]]]] => 0
[[],[[],[],[],[[]],[]]] => 0
[[],[[],[],[],[[],[]]]] => 0
[[],[[],[],[],[[[]]]]] => 0
[[],[[],[],[[]],[],[]]] => 0
[[],[[],[],[[]],[[]]]] => 0
[[],[[],[],[[],[]],[]]] => 0
[[],[[],[],[[[]]],[]]] => 0
[[],[[],[],[[],[],[]]]] => 0
[[],[[],[],[[],[[]]]]] => 0
[[],[[],[],[[[]],[]]]] => 0
[[],[[],[],[[[],[]]]]] => 0
[[],[[],[],[[[[]]]]]] => 0
[[],[[],[[]],[],[],[]]] => 0
[[],[[],[[]],[],[[]]]] => 0
[[],[[],[[]],[[]],[]]] => 0
[[],[[],[[]],[[],[]]]] => 0
[[],[[],[[]],[[[]]]]] => 0
[[],[[],[[],[]],[],[]]] => 0
[[],[[],[[[]]],[],[]]] => 0
[[],[[],[[],[]],[[]]]] => 0
[[],[[],[[[]]],[[]]]] => 0
[[],[[],[[],[],[]],[]]] => 0
[[],[[],[[],[[]]],[]]] => 0
[[],[[],[[[]],[]],[]]] => 0
[[],[[],[[[],[]]],[]]] => 0
[[],[[],[[[[]]]],[]]] => 0
[[],[[],[[],[],[],[]]]] => 0
[[],[[],[[],[],[[]]]]] => 0
[[],[[],[[],[[]],[]]]] => 0
[[],[[],[[],[[],[]]]]] => 0
[[],[[],[[],[[[]]]]]] => 0
[[],[[],[[[]],[],[]]]] => 0
[[],[[],[[[]],[[]]]]] => 0
[[],[[],[[[],[]],[]]]] => 0
[[],[[],[[[[]]],[]]]] => 0
[[],[[],[[[],[],[]]]]] => 0
[[],[[],[[[],[[]]]]]] => 0
[[],[[],[[[[]],[]]]]] => 0
[[],[[],[[[[],[]]]]]] => 0
[[],[[],[[[[[]]]]]]] => 0
[[],[[[]],[],[],[],[]]] => 0
[[],[[[]],[],[],[[]]]] => 0
[[],[[[]],[],[[]],[]]] => 0
[[],[[[]],[],[[],[]]]] => 0
[[],[[[]],[],[[[]]]]] => 0
[[],[[[]],[[]],[],[]]] => 0
[[],[[[]],[[]],[[]]]] => 0
[[],[[[]],[[],[]],[]]] => 0
[[],[[[]],[[[]]],[]]] => 0
[[],[[[]],[[],[],[]]]] => 0
[[],[[[]],[[],[[]]]]] => 0
[[],[[[]],[[[]],[]]]] => 0
[[],[[[]],[[[],[]]]]] => 0
[[],[[[]],[[[[]]]]]] => 0
[[],[[[],[]],[],[],[]]] => 0
[[],[[[[]]],[],[],[]]] => 0
[[],[[[],[]],[],[[]]]] => 0
[[],[[[[]]],[],[[]]]] => 0
[[],[[[],[]],[[]],[]]] => 0
[[],[[[[]]],[[]],[]]] => 0
[[],[[[],[]],[[],[]]]] => 0
[[],[[[],[]],[[[]]]]] => 0
[[],[[[[]]],[[],[]]]] => 0
[[],[[[[]]],[[[]]]]] => 0
[[],[[[],[],[]],[],[]]] => 0
[[],[[[],[[]]],[],[]]] => 0
[[],[[[[]],[]],[],[]]] => 0
[[],[[[[],[]]],[],[]]] => 0
[[],[[[[[]]]],[],[]]] => 0
[[],[[[],[],[]],[[]]]] => 0
[[],[[[],[[]]],[[]]]] => 0
[[],[[[[]],[]],[[]]]] => 0
[[],[[[[],[]]],[[]]]] => 0
[[],[[[[[]]]],[[]]]] => 0
[[],[[[],[],[],[]],[]]] => 0
[[],[[[],[],[[]]],[]]] => 0
[[],[[[],[[]],[]],[]]] => 0
[[],[[[],[[],[]]],[]]] => 0
[[],[[[],[[[]]]],[]]] => 0
[[],[[[[]],[],[]],[]]] => 0
[[],[[[[]],[[]]],[]]] => 0
[[],[[[[],[]],[]],[]]] => 0
[[],[[[[[]]],[]],[]]] => 0
[[],[[[[],[],[]]],[]]] => 0
[[],[[[[],[[]]]],[]]] => 0
[[],[[[[[]],[]]],[]]] => 0
[[],[[[[[],[]]]],[]]] => 0
[[],[[[[[[]]]]],[]]] => 0
[[],[[[],[],[],[],[]]]] => 0
[[],[[[],[],[],[[]]]]] => 0
[[],[[[],[],[[]],[]]]] => 0
[[],[[[],[],[[],[]]]]] => 0
[[],[[[],[],[[[]]]]]] => 0
[[],[[[],[[]],[],[]]]] => 0
[[],[[[],[[]],[[]]]]] => 0
[[],[[[],[[],[]],[]]]] => 0
[[],[[[],[[[]]],[]]]] => 0
[[],[[[],[[],[],[]]]]] => 0
[[],[[[],[[],[[]]]]]] => 0
[[],[[[],[[[]],[]]]]] => 0
[[],[[[],[[[],[]]]]]] => 0
[[],[[[],[[[[]]]]]]] => 0
[[],[[[[]],[],[],[]]]] => 0
[[],[[[[]],[],[[]]]]] => 0
[[],[[[[]],[[]],[]]]] => 0
[[],[[[[]],[[],[]]]]] => 0
[[],[[[[]],[[[]]]]]] => 0
[[],[[[[],[]],[],[]]]] => 0
[[],[[[[[]]],[],[]]]] => 0
[[],[[[[],[]],[[]]]]] => 0
[[],[[[[[]]],[[]]]]] => 0
[[],[[[[],[],[]],[]]]] => 0
[[],[[[[],[[]]],[]]]] => 0
[[],[[[[[]],[]],[]]]] => 0
[[],[[[[[],[]]],[]]]] => 0
[[],[[[[[[]]]],[]]]] => 0
[[],[[[[],[],[],[]]]]] => 0
[[],[[[[],[],[[]]]]]] => 0
[[],[[[[],[[]],[]]]]] => 0
[[],[[[[],[[],[]]]]]] => 0
[[],[[[[],[[[]]]]]]] => 0
[[],[[[[[]],[],[]]]]] => 0
[[],[[[[[]],[[]]]]]] => 0
[[],[[[[[],[]],[]]]]] => 0
[[],[[[[[[]]],[]]]]] => 0
[[],[[[[[],[],[]]]]]] => 0
[[],[[[[[],[[]]]]]]] => 0
[[],[[[[[[]],[]]]]]] => 0
[[],[[[[[[],[]]]]]]] => 0
[[],[[[[[[[]]]]]]]] => 0
[[[]],[],[],[],[],[],[]] => 0
[[[]],[],[],[],[],[[]]] => 0
[[[]],[],[],[],[[]],[]] => 0
[[[]],[],[],[],[[],[]]] => 0
[[[]],[],[],[],[[[]]]] => 0
[[[]],[],[],[[]],[],[]] => 0
[[[]],[],[],[[]],[[]]] => 0
[[[]],[],[],[[],[]],[]] => 0
[[[]],[],[],[[[]]],[]] => 0
[[[]],[],[],[[],[],[]]] => 0
[[[]],[],[],[[],[[]]]] => 0
[[[]],[],[],[[[]],[]]] => 0
[[[]],[],[],[[[],[]]]] => 0
[[[]],[],[],[[[[]]]]] => 0
[[[]],[],[[]],[],[],[]] => 0
[[[]],[],[[]],[],[[]]] => 0
[[[]],[],[[]],[[]],[]] => 0
[[[]],[],[[]],[[],[]]] => 0
[[[]],[],[[]],[[[]]]] => 0
[[[]],[],[[],[]],[],[]] => 0
[[[]],[],[[[]]],[],[]] => 0
[[[]],[],[[],[]],[[]]] => 0
[[[]],[],[[[]]],[[]]] => 0
[[[]],[],[[],[],[]],[]] => 0
[[[]],[],[[],[[]]],[]] => 0
[[[]],[],[[[]],[]],[]] => 0
[[[]],[],[[[],[]]],[]] => 0
[[[]],[],[[[[]]]],[]] => 0
[[[]],[],[[],[],[],[]]] => 0
[[[]],[],[[],[],[[]]]] => 0
[[[]],[],[[],[[]],[]]] => 0
[[[]],[],[[],[[],[]]]] => 0
[[[]],[],[[],[[[]]]]] => 0
[[[]],[],[[[]],[],[]]] => 0
[[[]],[],[[[]],[[]]]] => 0
[[[]],[],[[[],[]],[]]] => 0
[[[]],[],[[[[]]],[]]] => 0
[[[]],[],[[[],[],[]]]] => 0
[[[]],[],[[[],[[]]]]] => 0
[[[]],[],[[[[]],[]]]] => 0
[[[]],[],[[[[],[]]]]] => 0
[[[]],[],[[[[[]]]]]] => 0
[[[]],[[]],[],[],[],[]] => 0
[[[]],[[]],[],[],[[]]] => 0
[[[]],[[]],[],[[]],[]] => 0
[[[]],[[]],[],[[],[]]] => 0
[[[]],[[]],[],[[[]]]] => 0
[[[]],[[]],[[]],[],[]] => 0
[[[]],[[]],[[]],[[]]] => 0
[[[]],[[]],[[],[]],[]] => 0
[[[]],[[]],[[[]]],[]] => 0
[[[]],[[]],[[],[],[]]] => 0
[[[]],[[]],[[],[[]]]] => 0
[[[]],[[]],[[[]],[]]] => 0
[[[]],[[]],[[[],[]]]] => 0
[[[]],[[]],[[[[]]]]] => 0
[[[]],[[],[]],[],[],[]] => 0
[[[]],[[[]]],[],[],[]] => 0
[[[]],[[],[]],[],[[]]] => 0
[[[]],[[[]]],[],[[]]] => 0
[[[]],[[],[]],[[]],[]] => 0
[[[]],[[[]]],[[]],[]] => 0
[[[]],[[],[]],[[],[]]] => 0
[[[]],[[],[]],[[[]]]] => 0
[[[]],[[[]]],[[],[]]] => 0
[[[]],[[[]]],[[[]]]] => 0
[[[]],[[],[],[]],[],[]] => 0
[[[]],[[],[[]]],[],[]] => 0
[[[]],[[[]],[]],[],[]] => 0
[[[]],[[[],[]]],[],[]] => 0
[[[]],[[[[]]]],[],[]] => 0
[[[]],[[],[],[]],[[]]] => 0
[[[]],[[],[[]]],[[]]] => 0
[[[]],[[[]],[]],[[]]] => 0
[[[]],[[[],[]]],[[]]] => 0
[[[]],[[[[]]]],[[]]] => 0
[[[]],[[],[],[],[]],[]] => 0
[[[]],[[],[],[[]]],[]] => 0
[[[]],[[],[[]],[]],[]] => 0
[[[]],[[],[[],[]]],[]] => 0
[[[]],[[],[[[]]]],[]] => 0
[[[]],[[[]],[],[]],[]] => 0
[[[]],[[[]],[[]]],[]] => 0
[[[]],[[[],[]],[]],[]] => 0
[[[]],[[[[]]],[]],[]] => 0
[[[]],[[[],[],[]]],[]] => 0
[[[]],[[[],[[]]]],[]] => 0
[[[]],[[[[]],[]]],[]] => 0
[[[]],[[[[],[]]]],[]] => 0
[[[]],[[[[[]]]]],[]] => 0
[[[]],[[],[],[],[],[]]] => 0
[[[]],[[],[],[],[[]]]] => 0
[[[]],[[],[],[[]],[]]] => 0
[[[]],[[],[],[[],[]]]] => 0
[[[]],[[],[],[[[]]]]] => 0
[[[]],[[],[[]],[],[]]] => 0
[[[]],[[],[[]],[[]]]] => 0
[[[]],[[],[[],[]],[]]] => 0
[[[]],[[],[[[]]],[]]] => 0
[[[]],[[],[[],[],[]]]] => 0
[[[]],[[],[[],[[]]]]] => 0
[[[]],[[],[[[]],[]]]] => 0
[[[]],[[],[[[],[]]]]] => 0
[[[]],[[],[[[[]]]]]] => 0
[[[]],[[[]],[],[],[]]] => 0
[[[]],[[[]],[],[[]]]] => 0
[[[]],[[[]],[[]],[]]] => 0
[[[]],[[[]],[[],[]]]] => 0
[[[]],[[[]],[[[]]]]] => 0
[[[]],[[[],[]],[],[]]] => 0
[[[]],[[[[]]],[],[]]] => 0
[[[]],[[[],[]],[[]]]] => 0
[[[]],[[[[]]],[[]]]] => 0
[[[]],[[[],[],[]],[]]] => 0
[[[]],[[[],[[]]],[]]] => 0
[[[]],[[[[]],[]],[]]] => 0
[[[]],[[[[],[]]],[]]] => 0
[[[]],[[[[[]]]],[]]] => 0
[[[]],[[[],[],[],[]]]] => 0
[[[]],[[[],[],[[]]]]] => 0
[[[]],[[[],[[]],[]]]] => 0
[[[]],[[[],[[],[]]]]] => 0
[[[]],[[[],[[[]]]]]] => 0
[[[]],[[[[]],[],[]]]] => 0
[[[]],[[[[]],[[]]]]] => 0
[[[]],[[[[],[]],[]]]] => 0
[[[]],[[[[[]]],[]]]] => 0
[[[]],[[[[],[],[]]]]] => 0
[[[]],[[[[],[[]]]]]] => 0
[[[]],[[[[[]],[]]]]] => 0
[[[]],[[[[[],[]]]]]] => 0
[[[]],[[[[[[]]]]]]] => 0
[[[],[]],[],[],[],[],[]] => 0
[[[[]]],[],[],[],[],[]] => 0
[[[],[]],[],[],[],[[]]] => 0
[[[[]]],[],[],[],[[]]] => 0
[[[],[]],[],[],[[]],[]] => 0
[[[[]]],[],[],[[]],[]] => 0
[[[],[]],[],[],[[],[]]] => 0
[[[],[]],[],[],[[[]]]] => 0
[[[[]]],[],[],[[],[]]] => 0
[[[[]]],[],[],[[[]]]] => 0
[[[],[]],[],[[]],[],[]] => 0
[[[[]]],[],[[]],[],[]] => 0
[[[],[]],[],[[]],[[]]] => 0
[[[[]]],[],[[]],[[]]] => 0
[[[],[]],[[],[[],[]]]] => 0
[[[],[]],[[[],[]],[]]] => 0
[[[],[[],[]]],[[],[]]] => 0
[[[[],[]],[]],[[],[]]] => 0
[[[],[[],[[],[]]]],[]] => 0
[[[],[[[],[]],[]]],[]] => 0
[[[[],[]],[[],[]]],[]] => 0
[[[[],[[],[]]],[]],[]] => 0
[[[[[],[]],[]],[]],[]] => 0
[[[[[],[[[]]]]]],[]] => 0
[[[[[[[]]],[]]]],[]] => 0
[[[[[[],[],[]]]]],[]] => 0
[[[[[[],[[]]]]]],[]] => 0
[[[[[[[]],[]]]]],[]] => 0
[[[[[[[],[]]]]]],[]] => 0
[[[[[[[[]]]]]]],[]] => 0
[[[[[[[[[]]]]]]]],[]] => 0
[[],[[[[[[[[]]]]]]]]] => 0
[[[[[[[[],[]]]]]]],[]] => 0
[[],[[[[[[[],[]]]]]]]] => 0
[[[[[[[[]],[]]]]]],[]] => 0
[[[[[[[],[[]]]]]]],[]] => 0
[[],[[[[[[[]],[]]]]]]] => 0
[[],[[[[[[],[[]]]]]]]] => 0
[[],[[],[[],[[],[[],[]]]]]] => 0
[[],[[],[[],[[[],[]],[]]]]] => 0
[[],[[],[[[],[]],[[],[]]]]] => 0
[[],[[],[[[],[[],[]]],[]]]] => 0
[[],[[],[[[[],[]],[]],[]]]] => 0
[[],[[[],[]],[[],[[],[]]]]] => 0
[[],[[[],[]],[[[],[]],[]]]] => 0
[[],[[[],[[],[]]],[[],[]]]] => 0
[[],[[[[],[]],[]],[[],[]]]] => 0
[[],[[[],[[],[[],[]]]],[]]] => 0
[[],[[[],[[[],[]],[]]],[]]] => 0
[[],[[[[],[]],[[],[]]],[]]] => 0
[[],[[[[],[[],[]]],[]],[]]] => 0
[[],[[[[[],[]],[]],[]],[]]] => 0
[[[],[]],[[],[[],[[],[]]]]] => 0
[[[],[]],[[],[[[],[]],[]]]] => 0
[[[],[]],[[[],[]],[[],[]]]] => 0
[[[],[]],[[[],[[],[]]],[]]] => 0
[[[],[]],[[[[],[]],[]],[]]] => 0
[[[],[[],[]]],[[],[[],[]]]] => 0
[[[],[[],[]]],[[[],[]],[]]] => 0
[[[[],[]],[]],[[],[[],[]]]] => 0
[[[[],[]],[]],[[[],[]],[]]] => 0
[[[],[[],[[],[]]]],[[],[]]] => 0
[[[],[[[],[]],[]]],[[],[]]] => 0
[[[[],[]],[[],[]]],[[],[]]] => 0
[[[[],[[],[]]],[]],[[],[]]] => 0
[[[[[],[]],[]],[]],[[],[]]] => 0
[[[],[[],[[],[[],[]]]]],[]] => 0
[[[],[[],[[[],[]],[]]]],[]] => 0
[[[],[[[],[]],[[],[]]]],[]] => 0
[[[],[[[],[[],[]]],[]]],[]] => 0
[[[],[[[[],[]],[]],[]]],[]] => 0
[[[[],[]],[[],[[],[]]]],[]] => 0
[[[[],[]],[[[],[]],[]]],[]] => 0
[[[[],[[],[]]],[[],[]]],[]] => 0
[[[[[],[]],[]],[[],[]]],[]] => 0
[[[[],[[],[[],[]]]],[]],[]] => 0
[[[[],[[[],[]],[]]],[]],[]] => 0
[[[[[],[]],[[],[]]],[]],[]] => 0
[[[[[],[[],[]]],[]],[]],[]] => 0
[[[[[[],[]],[]],[]],[]],[]] => 0
[[[[[[[[[[]]]]]]]]],[]] => 0
[[],[[[[[[[[[]]]]]]]]]] => 0
[[[[[[[[[],[]]]]]]]],[]] => 0
[[],[[[[[[[[],[]]]]]]]]] => 0
[[[[[[[[[[[]]]]]]]]]],[]] => 0
[[],[[[[[[[[[[]]]]]]]]]]] => 0
[[],[[],[[],[[],[[],[[],[]]]]]]] => 0
[[],[[],[[],[[],[[[],[]],[]]]]]] => 0
[[],[[],[[],[[[],[]],[[],[]]]]]] => 0
[[],[[],[[],[[[],[[],[]]],[]]]]] => 0
[[],[[],[[],[[[[],[]],[]],[]]]]] => 0
[[],[[],[[[],[]],[[],[[],[]]]]]] => 0
[[],[[],[[[],[]],[[[],[]],[]]]]] => 0
[[],[[],[[[],[[],[]]],[[],[]]]]] => 0
[[],[[],[[[[],[]],[]],[[],[]]]]] => 0
[[],[[],[[[],[[],[[],[]]]],[]]]] => 0
[[],[[],[[[],[[[],[]],[]]],[]]]] => 0
[[],[[],[[[[],[]],[[],[]]],[]]]] => 0
[[],[[],[[[[],[[],[]]],[]],[]]]] => 0
[[],[[],[[[[[],[]],[]],[]],[]]]] => 0
[[],[[[],[]],[[],[[],[[],[]]]]]] => 0
[[],[[[],[]],[[],[[[],[]],[]]]]] => 0
[[],[[[],[]],[[[],[]],[[],[]]]]] => 0
[[],[[[],[]],[[[],[[],[]]],[]]]] => 0
[[],[[[],[]],[[[[],[]],[]],[]]]] => 0
[[],[[[],[[],[]]],[[],[[],[]]]]] => 0
[[],[[[],[[],[]]],[[[],[]],[]]]] => 0
[[],[[[[],[]],[]],[[],[[],[]]]]] => 0
[[],[[[[],[]],[]],[[[],[]],[]]]] => 0
[[],[[[],[[],[[],[]]]],[[],[]]]] => 0
[[],[[[],[[[],[]],[]]],[[],[]]]] => 0
[[],[[[[],[]],[[],[]]],[[],[]]]] => 0
[[],[[[[],[[],[]]],[]],[[],[]]]] => 0
[[],[[[[[],[]],[]],[]],[[],[]]]] => 0
[[],[[[],[[],[[],[[],[]]]]],[]]] => 0
[[],[[[],[[],[[[],[]],[]]]],[]]] => 0
[[],[[[],[[[],[]],[[],[]]]],[]]] => 0
[[],[[[],[[[],[[],[]]],[]]],[]]] => 0
[[],[[[],[[[[],[]],[]],[]]],[]]] => 0
[[],[[[[],[]],[[],[[],[]]]],[]]] => 0
[[],[[[[],[]],[[[],[]],[]]],[]]] => 0
[[],[[[[],[[],[]]],[[],[]]],[]]] => 0
[[],[[[[[],[]],[]],[[],[]]],[]]] => 0
[[],[[[[],[[],[[],[]]]],[]],[]]] => 0
[[],[[[[],[[[],[]],[]]],[]],[]]] => 0
[[],[[[[[],[]],[[],[]]],[]],[]]] => 0
[[],[[[[[],[[],[]]],[]],[]],[]]] => 0
[[],[[[[[[],[]],[]],[]],[]],[]]] => 0
[[[],[]],[[],[[],[[],[[],[]]]]]] => 0
[[[],[]],[[],[[],[[[],[]],[]]]]] => 0
[[[],[]],[[],[[[],[]],[[],[]]]]] => 0
[[[],[]],[[],[[[],[[],[]]],[]]]] => 0
[[[],[]],[[],[[[[],[]],[]],[]]]] => 0
[[[],[]],[[[],[]],[[],[[],[]]]]] => 0
[[[],[]],[[[],[]],[[[],[]],[]]]] => 0
[[[],[]],[[[],[[],[]]],[[],[]]]] => 0
[[[],[]],[[[[],[]],[]],[[],[]]]] => 0
[[[],[]],[[[],[[],[[],[]]]],[]]] => 0
[[[],[]],[[[],[[[],[]],[]]],[]]] => 0
[[[],[]],[[[[],[]],[[],[]]],[]]] => 0
[[[],[]],[[[[],[[],[]]],[]],[]]] => 0
[[[],[]],[[[[[],[]],[]],[]],[]]] => 0
[[[],[[],[]]],[[],[[],[[],[]]]]] => 0
[[[],[[],[]]],[[],[[[],[]],[]]]] => 0
[[[],[[],[]]],[[[],[]],[[],[]]]] => 0
[[[],[[],[]]],[[[],[[],[]]],[]]] => 0
[[[],[[],[]]],[[[[],[]],[]],[]]] => 0
[[[[],[]],[]],[[],[[],[[],[]]]]] => 0
[[[[],[]],[]],[[],[[[],[]],[]]]] => 0
[[[[],[]],[]],[[[],[]],[[],[]]]] => 0
[[[[],[]],[]],[[[],[[],[]]],[]]] => 0
[[[[],[]],[]],[[[[],[]],[]],[]]] => 0
[[[],[[],[[],[]]]],[[],[[],[]]]] => 0
[[[],[[],[[],[]]]],[[[],[]],[]]] => 0
[[[],[[[],[]],[]]],[[],[[],[]]]] => 0
[[[],[[[],[]],[]]],[[[],[]],[]]] => 0
[[[[],[]],[[],[]]],[[],[[],[]]]] => 0
[[[[],[]],[[],[]]],[[[],[]],[]]] => 0
[[[[],[[],[]]],[]],[[],[[],[]]]] => 0
[[[[],[[],[]]],[]],[[[],[]],[]]] => 0
[[[[[],[]],[]],[]],[[],[[],[]]]] => 0
[[[[[],[]],[]],[]],[[[],[]],[]]] => 0
[[[],[[],[[],[[],[]]]]],[[],[]]] => 0
[[[],[[],[[[],[]],[]]]],[[],[]]] => 0
[[[],[[[],[]],[[],[]]]],[[],[]]] => 0
[[[],[[[],[[],[]]],[]]],[[],[]]] => 0
[[[],[[[[],[]],[]],[]]],[[],[]]] => 0
[[[[],[]],[[],[[],[]]]],[[],[]]] => 0
[[[[],[]],[[[],[]],[]]],[[],[]]] => 0
[[[[],[[],[]]],[[],[]]],[[],[]]] => 0
[[[[[],[]],[]],[[],[]]],[[],[]]] => 0
[[[[],[[],[[],[]]]],[]],[[],[]]] => 0
[[[[],[[[],[]],[]]],[]],[[],[]]] => 0
[[[[[],[]],[[],[]]],[]],[[],[]]] => 0
[[[[[],[[],[]]],[]],[]],[[],[]]] => 0
[[[[[[],[]],[]],[]],[]],[[],[]]] => 0
[[[],[[],[[],[[],[[],[]]]]]],[]] => 0
[[[],[[],[[],[[[],[]],[]]]]],[]] => 0
[[[],[[],[[[],[]],[[],[]]]]],[]] => 0
[[[],[[],[[[],[[],[]]],[]]]],[]] => 0
[[[],[[],[[[[],[]],[]],[]]]],[]] => 0
[[[],[[[],[]],[[],[[],[]]]]],[]] => 0
[[[],[[[],[]],[[[],[]],[]]]],[]] => 0
[[[],[[[],[[],[]]],[[],[]]]],[]] => 0
[[[],[[[[],[]],[]],[[],[]]]],[]] => 0
[[[],[[[],[[],[[],[]]]],[]]],[]] => 0
[[[],[[[],[[[],[]],[]]],[]]],[]] => 0
[[[],[[[[],[]],[[],[]]],[]]],[]] => 0
[[[],[[[[],[[],[]]],[]],[]]],[]] => 0
[[[],[[[[[],[]],[]],[]],[]]],[]] => 0
[[[[],[]],[[],[[],[[],[]]]]],[]] => 0
[[[[],[]],[[],[[[],[]],[]]]],[]] => 0
[[[[],[]],[[[],[]],[[],[]]]],[]] => 0
[[[[],[]],[[[],[[],[]]],[]]],[]] => 0
[[[[],[]],[[[[],[]],[]],[]]],[]] => 0
[[[[],[[],[]]],[[],[[],[]]]],[]] => 0
[[[[],[[],[]]],[[[],[]],[]]],[]] => 0
[[[[[],[]],[]],[[],[[],[]]]],[]] => 0
[[[[[],[]],[]],[[[],[]],[]]],[]] => 0
[[[[],[[],[[],[]]]],[[],[]]],[]] => 0
[[[[],[[[],[]],[]]],[[],[]]],[]] => 0
[[[[[],[]],[[],[]]],[[],[]]],[]] => 0
[[[[[],[[],[]]],[]],[[],[]]],[]] => 0
[[[[[[],[]],[]],[]],[[],[]]],[]] => 0
[[[[],[[],[[],[[],[]]]]],[]],[]] => 0
[[[[],[[],[[[],[]],[]]]],[]],[]] => 0
[[[[],[[[],[]],[[],[]]]],[]],[]] => 0
[[[[],[[[],[[],[]]],[]]],[]],[]] => 0
[[[[],[[[[],[]],[]],[]]],[]],[]] => 0
[[[[[],[]],[[],[[],[]]]],[]],[]] => 0
[[[[[],[]],[[[],[]],[]]],[]],[]] => 0
[[[[[],[[],[]]],[[],[]]],[]],[]] => 0
[[[[[[],[]],[]],[[],[]]],[]],[]] => 0
[[[[[],[[],[[],[]]]],[]],[]],[]] => 0
[[[[[],[[[],[]],[]]],[]],[]],[]] => 0
[[[[[[],[]],[[],[]]],[]],[]],[]] => 0
[[[[[[],[[],[]]],[]],[]],[]],[]] => 0
[[[[[[[],[]],[]],[]],[]],[]],[]] => 0
-----------------------------------------------------------------------------
Created: Sep 06, 2017 at 23:28 by Martin Rubey
-----------------------------------------------------------------------------
Last Updated: Dec 28, 2017 at 15:30 by Martin Rubey