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*       Copyright (C) 2019 The FindStatCrew <info@findstat.org>             *
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-----------------------------------------------------------------------------
Statistic identifier: St000385

-----------------------------------------------------------------------------
Collection: Binary trees

-----------------------------------------------------------------------------
Description: The number of vertices with out-degree 1 in a binary tree.

See the references for several connections of this statistic.
In particular, the number $T(n,k)$ of binary trees with $n$ vertices and $k$ out-degree $1$ vertices is given by $T(n,k) = 0$ for $n-k$ odd and
$$T(n,k)=\frac{2^k}{n+1}\binom{n+1}{k}\binom{n+1-k}{(n-k)/2}$$
for $n-k$ is even.

-----------------------------------------------------------------------------
References: [1]   Triangle read by rows: T(n,k) is the number of binary trees with n edges and having k vertices of outdegree 1 (n>=0, k>=0). A binary tree is a rooted tree in which each vertex has at most two children and each child of a vertex is designated as its left or right child. [[OEIS:A121448]]
[2]   Copeland, T. Has anyone seen these binary trees (Catalan-type related to the Gegenbauer polynomials and Motzkin paths)? [[MathOverflow:230714]]

-----------------------------------------------------------------------------
Code:
def statistic(tree):
    return tree.graph(with_leaves=False).out_degree_sequence().count(1)


-----------------------------------------------------------------------------
Statistic values:

[.,[.,.]]                         => 1
[[.,.],.]                         => 1
[.,[.,[.,.]]]                     => 2
[.,[[.,.],.]]                     => 2
[[.,.],[.,.]]                     => 0
[[.,[.,.]],.]                     => 2
[[[.,.],.],.]                     => 2
[.,[.,[.,[.,.]]]]                 => 3
[.,[.,[[.,.],.]]]                 => 3
[.,[[.,.],[.,.]]]                 => 1
[.,[[.,[.,.]],.]]                 => 3
[.,[[[.,.],.],.]]                 => 3
[[.,.],[.,[.,.]]]                 => 1
[[.,.],[[.,.],.]]                 => 1
[[.,[.,.]],[.,.]]                 => 1
[[[.,.],.],[.,.]]                 => 1
[[.,[.,[.,.]]],.]                 => 3
[[.,[[.,.],.]],.]                 => 3
[[[.,.],[.,.]],.]                 => 1
[[[.,[.,.]],.],.]                 => 3
[[[[.,.],.],.],.]                 => 3
[.,[.,[.,[.,[.,.]]]]]             => 4
[.,[.,[.,[[.,.],.]]]]             => 4
[.,[.,[[.,.],[.,.]]]]             => 2
[.,[.,[[.,[.,.]],.]]]             => 4
[.,[.,[[[.,.],.],.]]]             => 4
[.,[[.,.],[.,[.,.]]]]             => 2
[.,[[.,.],[[.,.],.]]]             => 2
[.,[[.,[.,.]],[.,.]]]             => 2
[.,[[[.,.],.],[.,.]]]             => 2
[.,[[.,[.,[.,.]]],.]]             => 4
[.,[[.,[[.,.],.]],.]]             => 4
[.,[[[.,.],[.,.]],.]]             => 2
[.,[[[.,[.,.]],.],.]]             => 4
[.,[[[[.,.],.],.],.]]             => 4
[[.,.],[.,[.,[.,.]]]]             => 2
[[.,.],[.,[[.,.],.]]]             => 2
[[.,.],[[.,.],[.,.]]]             => 0
[[.,.],[[.,[.,.]],.]]             => 2
[[.,.],[[[.,.],.],.]]             => 2
[[.,[.,.]],[.,[.,.]]]             => 2
[[.,[.,.]],[[.,.],.]]             => 2
[[[.,.],.],[.,[.,.]]]             => 2
[[[.,.],.],[[.,.],.]]             => 2
[[.,[.,[.,.]]],[.,.]]             => 2
[[.,[[.,.],.]],[.,.]]             => 2
[[[.,.],[.,.]],[.,.]]             => 0
[[[.,[.,.]],.],[.,.]]             => 2
[[[[.,.],.],.],[.,.]]             => 2
[[.,[.,[.,[.,.]]]],.]             => 4
[[.,[.,[[.,.],.]]],.]             => 4
[[.,[[.,.],[.,.]]],.]             => 2
[[.,[[.,[.,.]],.]],.]             => 4
[[.,[[[.,.],.],.]],.]             => 4
[[[.,.],[.,[.,.]]],.]             => 2
[[[.,.],[[.,.],.]],.]             => 2
[[[.,[.,.]],[.,.]],.]             => 2
[[[[.,.],.],[.,.]],.]             => 2
[[[.,[.,[.,.]]],.],.]             => 4
[[[.,[[.,.],.]],.],.]             => 4
[[[[.,.],[.,.]],.],.]             => 2
[[[[.,[.,.]],.],.],.]             => 4
[[[[[.,.],.],.],.],.]             => 4
[.,[.,[.,[.,[.,[.,.]]]]]]         => 5
[.,[.,[.,[.,[[.,.],.]]]]]         => 5
[.,[.,[.,[[.,.],[.,.]]]]]         => 3
[.,[.,[.,[[.,[.,.]],.]]]]         => 5
[.,[.,[.,[[[.,.],.],.]]]]         => 5
[.,[.,[[.,.],[.,[.,.]]]]]         => 3
[.,[.,[[.,.],[[.,.],.]]]]         => 3
[.,[.,[[.,[.,.]],[.,.]]]]         => 3
[.,[.,[[[.,.],.],[.,.]]]]         => 3
[.,[.,[[.,[.,[.,.]]],.]]]         => 5
[.,[.,[[.,[[.,.],.]],.]]]         => 5
[.,[.,[[[.,.],[.,.]],.]]]         => 3
[.,[.,[[[.,[.,.]],.],.]]]         => 5
[.,[.,[[[[.,.],.],.],.]]]         => 5
[.,[[.,.],[.,[.,[.,.]]]]]         => 3
[.,[[.,.],[.,[[.,.],.]]]]         => 3
[.,[[.,.],[[.,.],[.,.]]]]         => 1
[.,[[.,.],[[.,[.,.]],.]]]         => 3
[.,[[.,.],[[[.,.],.],.]]]         => 3
[.,[[.,[.,.]],[.,[.,.]]]]         => 3
[.,[[.,[.,.]],[[.,.],.]]]         => 3
[.,[[[.,.],.],[.,[.,.]]]]         => 3
[.,[[[.,.],.],[[.,.],.]]]         => 3
[.,[[.,[.,[.,.]]],[.,.]]]         => 3
[.,[[.,[[.,.],.]],[.,.]]]         => 3
[.,[[[.,.],[.,.]],[.,.]]]         => 1
[.,[[[.,[.,.]],.],[.,.]]]         => 3
[.,[[[[.,.],.],.],[.,.]]]         => 3
[.,[[.,[.,[.,[.,.]]]],.]]         => 5
[.,[[.,[.,[[.,.],.]]],.]]         => 5
[.,[[.,[[.,.],[.,.]]],.]]         => 3
[.,[[.,[[.,[.,.]],.]],.]]         => 5
[.,[[.,[[[.,.],.],.]],.]]         => 5
[.,[[[.,.],[.,[.,.]]],.]]         => 3
[.,[[[.,.],[[.,.],.]],.]]         => 3
[.,[[[.,[.,.]],[.,.]],.]]         => 3
[.,[[[[.,.],.],[.,.]],.]]         => 3
[.,[[[.,[.,[.,.]]],.],.]]         => 5
[.,[[[.,[[.,.],.]],.],.]]         => 5
[.,[[[[.,.],[.,.]],.],.]]         => 3
[.,[[[[.,[.,.]],.],.],.]]         => 5
[.,[[[[[.,.],.],.],.],.]]         => 5
[[.,.],[.,[.,[.,[.,.]]]]]         => 3
[[.,.],[.,[.,[[.,.],.]]]]         => 3
[[.,.],[.,[[.,.],[.,.]]]]         => 1
[[.,.],[.,[[.,[.,.]],.]]]         => 3
[[.,.],[.,[[[.,.],.],.]]]         => 3
[[.,.],[[.,.],[.,[.,.]]]]         => 1
[[.,.],[[.,.],[[.,.],.]]]         => 1
[[.,.],[[.,[.,.]],[.,.]]]         => 1
[[.,.],[[[.,.],.],[.,.]]]         => 1
[[.,.],[[.,[.,[.,.]]],.]]         => 3
[[.,.],[[.,[[.,.],.]],.]]         => 3
[[.,.],[[[.,.],[.,.]],.]]         => 1
[[.,.],[[[.,[.,.]],.],.]]         => 3
[[.,.],[[[[.,.],.],.],.]]         => 3
[[.,[.,.]],[.,[.,[.,.]]]]         => 3
[[.,[.,.]],[.,[[.,.],.]]]         => 3
[[.,[.,.]],[[.,.],[.,.]]]         => 1
[[.,[.,.]],[[.,[.,.]],.]]         => 3
[[.,[.,.]],[[[.,.],.],.]]         => 3
[[[.,.],.],[.,[.,[.,.]]]]         => 3
[[[.,.],.],[.,[[.,.],.]]]         => 3
[[[.,.],.],[[.,.],[.,.]]]         => 1
[[[.,.],.],[[.,[.,.]],.]]         => 3
[[[.,.],.],[[[.,.],.],.]]         => 3
[[.,[.,[.,.]]],[.,[.,.]]]         => 3
[[.,[.,[.,.]]],[[.,.],.]]         => 3
[[.,[[.,.],.]],[.,[.,.]]]         => 3
[[.,[[.,.],.]],[[.,.],.]]         => 3
[[[.,.],[.,.]],[.,[.,.]]]         => 1
[[[.,.],[.,.]],[[.,.],.]]         => 1
[[[.,[.,.]],.],[.,[.,.]]]         => 3
[[[.,[.,.]],.],[[.,.],.]]         => 3
[[[[.,.],.],.],[.,[.,.]]]         => 3
[[[[.,.],.],.],[[.,.],.]]         => 3
[[.,[.,[.,[.,.]]]],[.,.]]         => 3
[[.,[.,[[.,.],.]]],[.,.]]         => 3
[[.,[[.,.],[.,.]]],[.,.]]         => 1
[[.,[[.,[.,.]],.]],[.,.]]         => 3
[[.,[[[.,.],.],.]],[.,.]]         => 3
[[[.,.],[.,[.,.]]],[.,.]]         => 1
[[[.,.],[[.,.],.]],[.,.]]         => 1
[[[.,[.,.]],[.,.]],[.,.]]         => 1
[[[[.,.],.],[.,.]],[.,.]]         => 1
[[[.,[.,[.,.]]],.],[.,.]]         => 3
[[[.,[[.,.],.]],.],[.,.]]         => 3
[[[[.,.],[.,.]],.],[.,.]]         => 1
[[[[.,[.,.]],.],.],[.,.]]         => 3
[[[[[.,.],.],.],.],[.,.]]         => 3
[[.,[.,[.,[.,[.,.]]]]],.]         => 5
[[.,[.,[.,[[.,.],.]]]],.]         => 5
[[.,[.,[[.,.],[.,.]]]],.]         => 3
[[.,[.,[[.,[.,.]],.]]],.]         => 5
[[.,[.,[[[.,.],.],.]]],.]         => 5
[[.,[[.,.],[.,[.,.]]]],.]         => 3
[[.,[[.,.],[[.,.],.]]],.]         => 3
[[.,[[.,[.,.]],[.,.]]],.]         => 3
[[.,[[[.,.],.],[.,.]]],.]         => 3
[[.,[[.,[.,[.,.]]],.]],.]         => 5
[[.,[[.,[[.,.],.]],.]],.]         => 5
[[.,[[[.,.],[.,.]],.]],.]         => 3
[[.,[[[.,[.,.]],.],.]],.]         => 5
[[.,[[[[.,.],.],.],.]],.]         => 5
[[[.,.],[.,[.,[.,.]]]],.]         => 3
[[[.,.],[.,[[.,.],.]]],.]         => 3
[[[.,.],[[.,.],[.,.]]],.]         => 1
[[[.,.],[[.,[.,.]],.]],.]         => 3
[[[.,.],[[[.,.],.],.]],.]         => 3
[[[.,[.,.]],[.,[.,.]]],.]         => 3
[[[.,[.,.]],[[.,.],.]],.]         => 3
[[[[.,.],.],[.,[.,.]]],.]         => 3
[[[[.,.],.],[[.,.],.]],.]         => 3
[[[.,[.,[.,.]]],[.,.]],.]         => 3
[[[.,[[.,.],.]],[.,.]],.]         => 3
[[[[.,.],[.,.]],[.,.]],.]         => 1
[[[[.,[.,.]],.],[.,.]],.]         => 3
[[[[[.,.],.],.],[.,.]],.]         => 3
[[[.,[.,[.,[.,.]]]],.],.]         => 5
[[[.,[.,[[.,.],.]]],.],.]         => 5
[[[.,[[.,.],[.,.]]],.],.]         => 3
[[[.,[[.,[.,.]],.]],.],.]         => 5
[[[.,[[[.,.],.],.]],.],.]         => 5
[[[[.,.],[.,[.,.]]],.],.]         => 3
[[[[.,.],[[.,.],.]],.],.]         => 3
[[[[.,[.,.]],[.,.]],.],.]         => 3
[[[[[.,.],.],[.,.]],.],.]         => 3
[[[[.,[.,[.,.]]],.],.],.]         => 5
[[[[.,[[.,.],.]],.],.],.]         => 5
[[[[[.,.],[.,.]],.],.],.]         => 3
[[[[[.,[.,.]],.],.],.],.]         => 5
[[[[[[.,.],.],.],.],.],.]         => 5
[.,[.,[.,[.,[.,[.,[.,.]]]]]]]     => 6
[.,[.,[.,[.,[.,[[.,.],.]]]]]]     => 6
[.,[.,[.,[.,[[.,.],[.,.]]]]]]     => 4
[.,[.,[.,[.,[[.,[.,.]],.]]]]]     => 6
[.,[.,[.,[.,[[[.,.],.],.]]]]]     => 6
[.,[.,[.,[[.,.],[.,[.,.]]]]]]     => 4
[.,[.,[.,[[.,.],[[.,.],.]]]]]     => 4
[.,[.,[.,[[.,[.,.]],[.,.]]]]]     => 4
[.,[.,[.,[[[.,.],.],[.,.]]]]]     => 4
[.,[.,[.,[[.,[.,[.,.]]],.]]]]     => 6
[.,[.,[.,[[.,[[.,.],.]],.]]]]     => 6
[.,[.,[.,[[[.,.],[.,.]],.]]]]     => 4
[.,[.,[.,[[[.,[.,.]],.],.]]]]     => 6
[.,[.,[.,[[[[.,.],.],.],.]]]]     => 6
[.,[.,[[.,.],[.,[.,[.,.]]]]]]     => 4
[.,[.,[[.,.],[.,[[.,.],.]]]]]     => 4
[.,[.,[[.,.],[[.,.],[.,.]]]]]     => 2
[.,[.,[[.,.],[[.,[.,.]],.]]]]     => 4
[.,[.,[[.,.],[[[.,.],.],.]]]]     => 4
[.,[.,[[.,[.,.]],[.,[.,.]]]]]     => 4
[.,[.,[[.,[.,.]],[[.,.],.]]]]     => 4
[.,[.,[[[.,.],.],[.,[.,.]]]]]     => 4
[.,[.,[[[.,.],.],[[.,.],.]]]]     => 4
[.,[.,[[.,[.,[.,.]]],[.,.]]]]     => 4
[.,[.,[[.,[[.,.],.]],[.,.]]]]     => 4
[.,[.,[[[.,.],[.,.]],[.,.]]]]     => 2
[.,[.,[[[.,[.,.]],.],[.,.]]]]     => 4
[.,[.,[[[[.,.],.],.],[.,.]]]]     => 4
[.,[.,[[.,[.,[.,[.,.]]]],.]]]     => 6
[.,[.,[[.,[.,[[.,.],.]]],.]]]     => 6
[.,[.,[[.,[[.,.],[.,.]]],.]]]     => 4
[.,[.,[[.,[[.,[.,.]],.]],.]]]     => 6
[.,[.,[[.,[[[.,.],.],.]],.]]]     => 6
[.,[.,[[[.,.],[.,[.,.]]],.]]]     => 4
[.,[.,[[[.,.],[[.,.],.]],.]]]     => 4
[.,[.,[[[.,[.,.]],[.,.]],.]]]     => 4
[.,[.,[[[[.,.],.],[.,.]],.]]]     => 4
[.,[.,[[[.,[.,[.,.]]],.],.]]]     => 6
[.,[.,[[[.,[[.,.],.]],.],.]]]     => 6
[.,[.,[[[[.,.],[.,.]],.],.]]]     => 4
[.,[.,[[[[.,[.,.]],.],.],.]]]     => 6
[.,[.,[[[[[.,.],.],.],.],.]]]     => 6
[.,[[.,.],[.,[.,[.,[.,.]]]]]]     => 4
[.,[[.,.],[.,[.,[[.,.],.]]]]]     => 4
[.,[[.,.],[.,[[.,.],[.,.]]]]]     => 2
[.,[[.,.],[.,[[.,[.,.]],.]]]]     => 4
[.,[[.,.],[.,[[[.,.],.],.]]]]     => 4
[.,[[.,.],[[.,.],[.,[.,.]]]]]     => 2
[.,[[.,.],[[.,.],[[.,.],.]]]]     => 2
[.,[[.,.],[[.,[.,.]],[.,.]]]]     => 2
[.,[[.,.],[[[.,.],.],[.,.]]]]     => 2
[.,[[.,.],[[.,[.,[.,.]]],.]]]     => 4
[.,[[.,.],[[.,[[.,.],.]],.]]]     => 4
[.,[[.,.],[[[.,.],[.,.]],.]]]     => 2
[.,[[.,.],[[[.,[.,.]],.],.]]]     => 4
[.,[[.,.],[[[[.,.],.],.],.]]]     => 4
[.,[[.,[.,.]],[.,[.,[.,.]]]]]     => 4
[.,[[.,[.,.]],[.,[[.,.],.]]]]     => 4
[.,[[.,[.,.]],[[.,.],[.,.]]]]     => 2
[.,[[.,[.,.]],[[.,[.,.]],.]]]     => 4
[.,[[.,[.,.]],[[[.,.],.],.]]]     => 4
[.,[[[.,.],.],[.,[.,[.,.]]]]]     => 4
[.,[[[.,.],.],[.,[[.,.],.]]]]     => 4
[.,[[[.,.],.],[[.,.],[.,.]]]]     => 2
[.,[[[.,.],.],[[.,[.,.]],.]]]     => 4
[.,[[[.,.],.],[[[.,.],.],.]]]     => 4
[.,[[.,[.,[.,.]]],[.,[.,.]]]]     => 4
[.,[[.,[.,[.,.]]],[[.,.],.]]]     => 4
[.,[[.,[[.,.],.]],[.,[.,.]]]]     => 4
[.,[[.,[[.,.],.]],[[.,.],.]]]     => 4
[.,[[[.,.],[.,.]],[.,[.,.]]]]     => 2
[.,[[[.,.],[.,.]],[[.,.],.]]]     => 2
[.,[[[.,[.,.]],.],[.,[.,.]]]]     => 4
[.,[[[.,[.,.]],.],[[.,.],.]]]     => 4
[.,[[[[.,.],.],.],[.,[.,.]]]]     => 4
[.,[[[[.,.],.],.],[[.,.],.]]]     => 4
[.,[[.,[.,[.,[.,.]]]],[.,.]]]     => 4
[.,[[.,[.,[[.,.],.]]],[.,.]]]     => 4
[.,[[.,[[.,.],[.,.]]],[.,.]]]     => 2
[.,[[.,[[.,[.,.]],.]],[.,.]]]     => 4
[.,[[.,[[[.,.],.],.]],[.,.]]]     => 4
[.,[[[.,.],[.,[.,.]]],[.,.]]]     => 2
[.,[[[.,.],[[.,.],.]],[.,.]]]     => 2
[.,[[[.,[.,.]],[.,.]],[.,.]]]     => 2
[.,[[[[.,.],.],[.,.]],[.,.]]]     => 2
[.,[[[.,[.,[.,.]]],.],[.,.]]]     => 4
[.,[[[.,[[.,.],.]],.],[.,.]]]     => 4
[.,[[[[.,.],[.,.]],.],[.,.]]]     => 2
[.,[[[[.,[.,.]],.],.],[.,.]]]     => 4
[.,[[[[[.,.],.],.],.],[.,.]]]     => 4
[.,[[.,[.,[.,[.,[.,.]]]]],.]]     => 6
[.,[[.,[.,[.,[[.,.],.]]]],.]]     => 6
[.,[[.,[.,[[.,.],[.,.]]]],.]]     => 4
[.,[[.,[.,[[.,[.,.]],.]]],.]]     => 6
[.,[[.,[.,[[[.,.],.],.]]],.]]     => 6
[.,[[.,[[.,.],[.,[.,.]]]],.]]     => 4
[.,[[.,[[.,.],[[.,.],.]]],.]]     => 4
[.,[[.,[[.,[.,.]],[.,.]]],.]]     => 4
[.,[[.,[[[.,.],.],[.,.]]],.]]     => 4
[.,[[.,[[.,[.,[.,.]]],.]],.]]     => 6
[.,[[.,[[.,[[.,.],.]],.]],.]]     => 6
[.,[[.,[[[.,.],[.,.]],.]],.]]     => 4
[.,[[.,[[[.,[.,.]],.],.]],.]]     => 6
[.,[[.,[[[[.,.],.],.],.]],.]]     => 6
[.,[[[.,.],[.,[.,[.,.]]]],.]]     => 4
[.,[[[.,.],[.,[[.,.],.]]],.]]     => 4
[.,[[[.,.],[[.,.],[.,.]]],.]]     => 2
[.,[[[.,.],[[.,[.,.]],.]],.]]     => 4
[.,[[[.,.],[[[.,.],.],.]],.]]     => 4
[.,[[[.,[.,.]],[.,[.,.]]],.]]     => 4
[.,[[[.,[.,.]],[[.,.],.]],.]]     => 4
[.,[[[[.,.],.],[.,[.,.]]],.]]     => 4
[.,[[[[.,.],.],[[.,.],.]],.]]     => 4
[.,[[[.,[.,[.,.]]],[.,.]],.]]     => 4
[.,[[[.,[[.,.],.]],[.,.]],.]]     => 4
[.,[[[[.,.],[.,.]],[.,.]],.]]     => 2
[.,[[[[.,[.,.]],.],[.,.]],.]]     => 4
[.,[[[[[.,.],.],.],[.,.]],.]]     => 4
[.,[[[.,[.,[.,[.,.]]]],.],.]]     => 6
[.,[[[.,[.,[[.,.],.]]],.],.]]     => 6
[.,[[[.,[[.,.],[.,.]]],.],.]]     => 4
[.,[[[.,[[.,[.,.]],.]],.],.]]     => 6
[.,[[[.,[[[.,.],.],.]],.],.]]     => 6
[.,[[[[.,.],[.,[.,.]]],.],.]]     => 4
[.,[[[[.,.],[[.,.],.]],.],.]]     => 4
[.,[[[[.,[.,.]],[.,.]],.],.]]     => 4
[.,[[[[[.,.],.],[.,.]],.],.]]     => 4
[.,[[[[.,[.,[.,.]]],.],.],.]]     => 6
[.,[[[[.,[[.,.],.]],.],.],.]]     => 6
[.,[[[[[.,.],[.,.]],.],.],.]]     => 4
[.,[[[[[.,[.,.]],.],.],.],.]]     => 6
[.,[[[[[[.,.],.],.],.],.],.]]     => 6
[[.,.],[.,[.,[.,[.,[.,.]]]]]]     => 4
[[.,.],[.,[.,[.,[[.,.],.]]]]]     => 4
[[.,.],[.,[.,[[.,.],[.,.]]]]]     => 2
[[.,.],[.,[.,[[.,[.,.]],.]]]]     => 4
[[.,.],[.,[.,[[[.,.],.],.]]]]     => 4
[[.,.],[.,[[.,.],[.,[.,.]]]]]     => 2
[[.,.],[.,[[.,.],[[.,.],.]]]]     => 2
[[.,.],[.,[[.,[.,.]],[.,.]]]]     => 2
[[.,.],[.,[[[.,.],.],[.,.]]]]     => 2
[[.,.],[.,[[.,[.,[.,.]]],.]]]     => 4
[[.,.],[.,[[.,[[.,.],.]],.]]]     => 4
[[.,.],[.,[[[.,.],[.,.]],.]]]     => 2
[[.,.],[.,[[[.,[.,.]],.],.]]]     => 4
[[.,.],[.,[[[[.,.],.],.],.]]]     => 4
[[.,.],[[.,.],[.,[.,[.,.]]]]]     => 2
[[.,.],[[.,.],[.,[[.,.],.]]]]     => 2
[[.,.],[[.,.],[[.,.],[.,.]]]]     => 0
[[.,.],[[.,.],[[.,[.,.]],.]]]     => 2
[[.,.],[[.,.],[[[.,.],.],.]]]     => 2
[[.,.],[[.,[.,.]],[.,[.,.]]]]     => 2
[[.,.],[[.,[.,.]],[[.,.],.]]]     => 2
[[.,.],[[[.,.],.],[.,[.,.]]]]     => 2
[[.,.],[[[.,.],.],[[.,.],.]]]     => 2
[[.,.],[[.,[.,[.,.]]],[.,.]]]     => 2
[[.,.],[[.,[[.,.],.]],[.,.]]]     => 2
[[.,.],[[[.,.],[.,.]],[.,.]]]     => 0
[[.,.],[[[.,[.,.]],.],[.,.]]]     => 2
[[.,.],[[[[.,.],.],.],[.,.]]]     => 2
[[.,.],[[.,[.,[.,[.,.]]]],.]]     => 4
[[.,.],[[.,[.,[[.,.],.]]],.]]     => 4
[[.,.],[[.,[[.,.],[.,.]]],.]]     => 2
[[.,.],[[.,[[.,[.,.]],.]],.]]     => 4
[[.,.],[[.,[[[.,.],.],.]],.]]     => 4
[[.,.],[[[.,.],[.,[.,.]]],.]]     => 2
[[.,.],[[[.,.],[[.,.],.]],.]]     => 2
[[.,.],[[[.,[.,.]],[.,.]],.]]     => 2
[[.,.],[[[[.,.],.],[.,.]],.]]     => 2
[[.,.],[[[.,[.,[.,.]]],.],.]]     => 4
[[.,.],[[[.,[[.,.],.]],.],.]]     => 4
[[.,.],[[[[.,.],[.,.]],.],.]]     => 2
[[.,.],[[[[.,[.,.]],.],.],.]]     => 4
[[.,.],[[[[[.,.],.],.],.],.]]     => 4
[[.,[.,.]],[.,[.,[.,[.,.]]]]]     => 4
[[.,[.,.]],[.,[.,[[.,.],.]]]]     => 4
[[.,[.,.]],[.,[[.,.],[.,.]]]]     => 2
[[.,[.,.]],[.,[[.,[.,.]],.]]]     => 4
[[.,[.,.]],[.,[[[.,.],.],.]]]     => 4
[[.,[.,.]],[[.,.],[.,[.,.]]]]     => 2
[[.,[.,.]],[[.,.],[[.,.],.]]]     => 2
[[.,[.,.]],[[.,[.,.]],[.,.]]]     => 2
[[.,[.,.]],[[[.,.],.],[.,.]]]     => 2
[[.,[.,.]],[[.,[.,[.,.]]],.]]     => 4
[[.,[.,.]],[[.,[[.,.],.]],.]]     => 4
[[.,[.,.]],[[[.,.],[.,.]],.]]     => 2
[[.,[.,.]],[[[.,[.,.]],.],.]]     => 4
[[.,[.,.]],[[[[.,.],.],.],.]]     => 4
[[[.,.],.],[.,[.,[.,[.,.]]]]]     => 4
[[[.,.],.],[.,[.,[[.,.],.]]]]     => 4
[[[.,.],.],[.,[[.,.],[.,.]]]]     => 2
[[[.,.],.],[.,[[.,[.,.]],.]]]     => 4
[[[.,.],.],[.,[[[.,.],.],.]]]     => 4
[[[.,.],.],[[.,.],[.,[.,.]]]]     => 2
[[[.,.],.],[[.,.],[[.,.],.]]]     => 2
[[[.,.],.],[[.,[.,.]],[.,.]]]     => 2
[[[.,.],.],[[[.,.],.],[.,.]]]     => 2
[[[.,.],.],[[.,[.,[.,.]]],.]]     => 4
[[[.,.],.],[[.,[[.,.],.]],.]]     => 4
[[[.,.],.],[[[.,.],[.,.]],.]]     => 2
[[[.,.],.],[[[.,[.,.]],.],.]]     => 4
[[[.,.],.],[[[[.,.],.],.],.]]     => 4
[[.,[.,[.,.]]],[.,[.,[.,.]]]]     => 4
[[.,[.,[.,.]]],[.,[[.,.],.]]]     => 4
[[.,[.,[.,.]]],[[.,.],[.,.]]]     => 2
[[.,[.,[.,.]]],[[.,[.,.]],.]]     => 4
[[.,[.,[.,.]]],[[[.,.],.],.]]     => 4
[[.,[[.,.],.]],[.,[.,[.,.]]]]     => 4
[[.,[[.,.],.]],[.,[[.,.],.]]]     => 4
[[.,[[.,.],.]],[[.,.],[.,.]]]     => 2
[[.,[[.,.],.]],[[.,[.,.]],.]]     => 4
[[.,[[.,.],.]],[[[.,.],.],.]]     => 4
[[[.,.],[.,.]],[.,[.,[.,.]]]]     => 2
[[[.,.],[.,.]],[.,[[.,.],.]]]     => 2
[[[.,.],[.,.]],[[.,.],[.,.]]]     => 0
[[[.,.],[.,.]],[[.,[.,.]],.]]     => 2
[[[.,.],[.,.]],[[[.,.],.],.]]     => 2
[[[.,[.,.]],.],[.,[.,[.,.]]]]     => 4
[[[.,[.,.]],.],[.,[[.,.],.]]]     => 4
[[[.,[.,.]],.],[[.,.],[.,.]]]     => 2
[[[.,[.,.]],.],[[.,[.,.]],.]]     => 4
[[[.,[.,.]],.],[[[.,.],.],.]]     => 4
[[[[.,.],.],.],[.,[.,[.,.]]]]     => 4
[[[[.,.],.],.],[.,[[.,.],.]]]     => 4
[[[[.,.],.],.],[[.,.],[.,.]]]     => 2
[[[[.,.],.],.],[[.,[.,.]],.]]     => 4
[[[[.,.],.],.],[[[.,.],.],.]]     => 4
[[.,[.,[.,[.,.]]]],[.,[.,.]]]     => 4
[[.,[.,[.,[.,.]]]],[[.,.],.]]     => 4
[[.,[.,[[.,.],.]]],[.,[.,.]]]     => 4
[[.,[.,[[.,.],.]]],[[.,.],.]]     => 4
[[.,[[.,.],[.,.]]],[.,[.,.]]]     => 2
[[.,[[.,.],[.,.]]],[[.,.],.]]     => 2
[[.,[[.,[.,.]],.]],[.,[.,.]]]     => 4
[[.,[[.,[.,.]],.]],[[.,.],.]]     => 4
[[.,[[[.,.],.],.]],[.,[.,.]]]     => 4
[[.,[[[.,.],.],.]],[[.,.],.]]     => 4
[[[.,.],[.,[.,.]]],[.,[.,.]]]     => 2
[[[.,.],[.,[.,.]]],[[.,.],.]]     => 2
[[[.,.],[[.,.],.]],[.,[.,.]]]     => 2
[[[.,.],[[.,.],.]],[[.,.],.]]     => 2
[[[.,[.,.]],[.,.]],[.,[.,.]]]     => 2
[[[.,[.,.]],[.,.]],[[.,.],.]]     => 2
[[[[.,.],.],[.,.]],[.,[.,.]]]     => 2
[[[[.,.],.],[.,.]],[[.,.],.]]     => 2
[[[.,[.,[.,.]]],.],[.,[.,.]]]     => 4
[[[.,[.,[.,.]]],.],[[.,.],.]]     => 4
[[[.,[[.,.],.]],.],[.,[.,.]]]     => 4
[[[.,[[.,.],.]],.],[[.,.],.]]     => 4
[[[[.,.],[.,.]],.],[.,[.,.]]]     => 2
[[[[.,.],[.,.]],.],[[.,.],.]]     => 2
[[[[.,[.,.]],.],.],[.,[.,.]]]     => 4
[[[[.,[.,.]],.],.],[[.,.],.]]     => 4
[[[[[.,.],.],.],.],[.,[.,.]]]     => 4
[[[[[.,.],.],.],.],[[.,.],.]]     => 4
[[.,[.,[.,[.,[.,.]]]]],[.,.]]     => 4
[[.,[.,[.,[[.,.],.]]]],[.,.]]     => 4
[[.,[.,[[.,.],[.,.]]]],[.,.]]     => 2
[[.,[.,[[.,[.,.]],.]]],[.,.]]     => 4
[[.,[.,[[[.,.],.],.]]],[.,.]]     => 4
[[.,[[.,.],[.,[.,.]]]],[.,.]]     => 2
[[.,[[.,.],[[.,.],.]]],[.,.]]     => 2
[[.,[[.,[.,.]],[.,.]]],[.,.]]     => 2
[[.,[[[.,.],.],[.,.]]],[.,.]]     => 2
[[.,[[.,[.,[.,.]]],.]],[.,.]]     => 4
[[.,[[.,[[.,.],.]],.]],[.,.]]     => 4
[[.,[[[.,.],[.,.]],.]],[.,.]]     => 2
[[.,[[[.,[.,.]],.],.]],[.,.]]     => 4
[[.,[[[[.,.],.],.],.]],[.,.]]     => 4
[[[.,.],[.,[.,[.,.]]]],[.,.]]     => 2
[[[.,.],[.,[[.,.],.]]],[.,.]]     => 2
[[[.,.],[[.,.],[.,.]]],[.,.]]     => 0
[[[.,.],[[.,[.,.]],.]],[.,.]]     => 2
[[[.,.],[[[.,.],.],.]],[.,.]]     => 2
[[[.,[.,.]],[.,[.,.]]],[.,.]]     => 2
[[[.,[.,.]],[[.,.],.]],[.,.]]     => 2
[[[[.,.],.],[.,[.,.]]],[.,.]]     => 2
[[[[.,.],.],[[.,.],.]],[.,.]]     => 2
[[[.,[.,[.,.]]],[.,.]],[.,.]]     => 2
[[[.,[[.,.],.]],[.,.]],[.,.]]     => 2
[[[[.,.],[.,.]],[.,.]],[.,.]]     => 0
[[[[.,[.,.]],.],[.,.]],[.,.]]     => 2
[[[[[.,.],.],.],[.,.]],[.,.]]     => 2
[[[.,[.,[.,[.,.]]]],.],[.,.]]     => 4
[[[.,[.,[[.,.],.]]],.],[.,.]]     => 4
[[[.,[[.,.],[.,.]]],.],[.,.]]     => 2
[[[.,[[.,[.,.]],.]],.],[.,.]]     => 4
[[[.,[[[.,.],.],.]],.],[.,.]]     => 4
[[[[.,.],[.,[.,.]]],.],[.,.]]     => 2
[[[[.,.],[[.,.],.]],.],[.,.]]     => 2
[[[[.,[.,.]],[.,.]],.],[.,.]]     => 2
[[[[[.,.],.],[.,.]],.],[.,.]]     => 2
[[[[.,[.,[.,.]]],.],.],[.,.]]     => 4
[[[[.,[[.,.],.]],.],.],[.,.]]     => 4
[[[[[.,.],[.,.]],.],.],[.,.]]     => 2
[[[[[.,[.,.]],.],.],.],[.,.]]     => 4
[[[[[[.,.],.],.],.],.],[.,.]]     => 4
[[.,[.,[.,[.,[.,[.,.]]]]]],.]     => 6
[[.,[.,[.,[.,[[.,.],.]]]]],.]     => 6
[[.,[.,[.,[[.,.],[.,.]]]]],.]     => 4
[[.,[.,[.,[[.,[.,.]],.]]]],.]     => 6
[[.,[.,[.,[[[.,.],.],.]]]],.]     => 6
[[.,[.,[[.,.],[.,[.,.]]]]],.]     => 4
[[.,[.,[[.,.],[[.,.],.]]]],.]     => 4
[[.,[.,[[.,[.,.]],[.,.]]]],.]     => 4
[[.,[.,[[[.,.],.],[.,.]]]],.]     => 4
[[.,[.,[[.,[.,[.,.]]],.]]],.]     => 6
[[.,[.,[[.,[[.,.],.]],.]]],.]     => 6
[[.,[.,[[[.,.],[.,.]],.]]],.]     => 4
[[.,[.,[[[.,[.,.]],.],.]]],.]     => 6
[[.,[.,[[[[.,.],.],.],.]]],.]     => 6
[[.,[[.,.],[.,[.,[.,.]]]]],.]     => 4
[[.,[[.,.],[.,[[.,.],.]]]],.]     => 4
[[.,[[.,.],[[.,.],[.,.]]]],.]     => 2
[[.,[[.,.],[[.,[.,.]],.]]],.]     => 4
[[.,[[.,.],[[[.,.],.],.]]],.]     => 4
[[.,[[.,[.,.]],[.,[.,.]]]],.]     => 4
[[.,[[.,[.,.]],[[.,.],.]]],.]     => 4
[[.,[[[.,.],.],[.,[.,.]]]],.]     => 4
[[.,[[[.,.],.],[[.,.],.]]],.]     => 4
[[.,[[.,[.,[.,.]]],[.,.]]],.]     => 4
[[.,[[.,[[.,.],.]],[.,.]]],.]     => 4
[[.,[[[.,.],[.,.]],[.,.]]],.]     => 2
[[.,[[[.,[.,.]],.],[.,.]]],.]     => 4
[[.,[[[[.,.],.],.],[.,.]]],.]     => 4
[[.,[[.,[.,[.,[.,.]]]],.]],.]     => 6
[[.,[[.,[.,[[.,.],.]]],.]],.]     => 6
[[.,[[.,[[.,.],[.,.]]],.]],.]     => 4
[[.,[[.,[[.,[.,.]],.]],.]],.]     => 6
[[.,[[.,[[[.,.],.],.]],.]],.]     => 6
[[.,[[[.,.],[.,[.,.]]],.]],.]     => 4
[[.,[[[.,.],[[.,.],.]],.]],.]     => 4
[[.,[[[.,[.,.]],[.,.]],.]],.]     => 4
[[.,[[[[.,.],.],[.,.]],.]],.]     => 4
[[.,[[[.,[.,[.,.]]],.],.]],.]     => 6
[[.,[[[.,[[.,.],.]],.],.]],.]     => 6
[[.,[[[[.,.],[.,.]],.],.]],.]     => 4
[[.,[[[[.,[.,.]],.],.],.]],.]     => 6
[[.,[[[[[.,.],.],.],.],.]],.]     => 6
[[[.,.],[.,[.,[.,[.,.]]]]],.]     => 4
[[[.,.],[.,[.,[[.,.],.]]]],.]     => 4
[[[.,.],[.,[[.,.],[.,.]]]],.]     => 2
[[[.,.],[.,[[.,[.,.]],.]]],.]     => 4
[[[.,.],[.,[[[.,.],.],.]]],.]     => 4
[[[.,.],[[.,.],[.,[.,.]]]],.]     => 2
[[[.,.],[[.,.],[[.,.],.]]],.]     => 2
[[[.,.],[[.,[.,.]],[.,.]]],.]     => 2
[[[.,.],[[[.,.],.],[.,.]]],.]     => 2
[[[.,.],[[.,[.,[.,.]]],.]],.]     => 4
[[[.,.],[[.,[[.,.],.]],.]],.]     => 4
[[[.,.],[[[.,.],[.,.]],.]],.]     => 2
[[[.,.],[[[.,[.,.]],.],.]],.]     => 4
[[[.,.],[[[[.,.],.],.],.]],.]     => 4
[[[.,[.,.]],[.,[.,[.,.]]]],.]     => 4
[[[.,[.,.]],[.,[[.,.],.]]],.]     => 4
[[[.,[.,.]],[[.,.],[.,.]]],.]     => 2
[[[.,[.,.]],[[.,[.,.]],.]],.]     => 4
[[[.,[.,.]],[[[.,.],.],.]],.]     => 4
[[[[.,.],.],[.,[.,[.,.]]]],.]     => 4
[[[[.,.],.],[.,[[.,.],.]]],.]     => 4
[[[[.,.],.],[[.,.],[.,.]]],.]     => 2
[[[[.,.],.],[[.,[.,.]],.]],.]     => 4
[[[[.,.],.],[[[.,.],.],.]],.]     => 4
[[[.,[.,[.,.]]],[.,[.,.]]],.]     => 4
[[[.,[.,[.,.]]],[[.,.],.]],.]     => 4
[[[.,[[.,.],.]],[.,[.,.]]],.]     => 4
[[[.,[[.,.],.]],[[.,.],.]],.]     => 4
[[[[.,.],[.,.]],[.,[.,.]]],.]     => 2
[[[[.,.],[.,.]],[[.,.],.]],.]     => 2
[[[[.,[.,.]],.],[.,[.,.]]],.]     => 4
[[[[.,[.,.]],.],[[.,.],.]],.]     => 4
[[[[[.,.],.],.],[.,[.,.]]],.]     => 4
[[[[[.,.],.],.],[[.,.],.]],.]     => 4
[[[.,[.,[.,[.,.]]]],[.,.]],.]     => 4
[[[.,[.,[[.,.],.]]],[.,.]],.]     => 4
[[[.,[[.,.],[.,.]]],[.,.]],.]     => 2
[[[.,[[.,[.,.]],.]],[.,.]],.]     => 4
[[[.,[[[.,.],.],.]],[.,.]],.]     => 4
[[[[.,.],[.,[.,.]]],[.,.]],.]     => 2
[[[[.,.],[[.,.],.]],[.,.]],.]     => 2
[[[[.,[.,.]],[.,.]],[.,.]],.]     => 2
[[[[[.,.],.],[.,.]],[.,.]],.]     => 2
[[[[.,[.,[.,.]]],.],[.,.]],.]     => 4
[[[[.,[[.,.],.]],.],[.,.]],.]     => 4
[[[[[.,.],[.,.]],.],[.,.]],.]     => 2
[[[[[.,[.,.]],.],.],[.,.]],.]     => 4
[[[[[[.,.],.],.],.],[.,.]],.]     => 4
[[[.,[.,[.,[.,[.,.]]]]],.],.]     => 6
[[[.,[.,[.,[[.,.],.]]]],.],.]     => 6
[[[.,[.,[[.,.],[.,.]]]],.],.]     => 4
[[[.,[.,[[.,[.,.]],.]]],.],.]     => 6
[[[.,[.,[[[.,.],.],.]]],.],.]     => 6
[[[.,[[.,.],[.,[.,.]]]],.],.]     => 4
[[[.,[[.,.],[[.,.],.]]],.],.]     => 4
[[[.,[[.,[.,.]],[.,.]]],.],.]     => 4
[[[.,[[[.,.],.],[.,.]]],.],.]     => 4
[[[.,[[.,[.,[.,.]]],.]],.],.]     => 6
[[[.,[[.,[[.,.],.]],.]],.],.]     => 6
[[[.,[[[.,.],[.,.]],.]],.],.]     => 4
[[[.,[[[.,[.,.]],.],.]],.],.]     => 6
[[[.,[[[[.,.],.],.],.]],.],.]     => 6
[[[[.,.],[.,[.,[.,.]]]],.],.]     => 4
[[[[.,.],[.,[[.,.],.]]],.],.]     => 4
[[[[.,.],[[.,.],[.,.]]],.],.]     => 2
[[[[.,.],[[.,[.,.]],.]],.],.]     => 4
[[[[.,.],[[[.,.],.],.]],.],.]     => 4
[[[[.,[.,.]],[.,[.,.]]],.],.]     => 4
[[[[.,[.,.]],[[.,.],.]],.],.]     => 4
[[[[[.,.],.],[.,[.,.]]],.],.]     => 4
[[[[[.,.],.],[[.,.],.]],.],.]     => 4
[[[[.,[.,[.,.]]],[.,.]],.],.]     => 4
[[[[.,[[.,.],.]],[.,.]],.],.]     => 4
[[[[[.,.],[.,.]],[.,.]],.],.]     => 2
[[[[[.,[.,.]],.],[.,.]],.],.]     => 4
[[[[[[.,.],.],.],[.,.]],.],.]     => 4
[[[[.,[.,[.,[.,.]]]],.],.],.]     => 6
[[[[.,[.,[[.,.],.]]],.],.],.]     => 6
[[[[.,[[.,.],[.,.]]],.],.],.]     => 4
[[[[.,[[.,[.,.]],.]],.],.],.]     => 6
[[[[.,[[[.,.],.],.]],.],.],.]     => 6
[[[[[.,.],[.,[.,.]]],.],.],.]     => 4
[[[[[.,.],[[.,.],.]],.],.],.]     => 4
[[[[[.,[.,.]],[.,.]],.],.],.]     => 4
[[[[[[.,.],.],[.,.]],.],.],.]     => 4
[[[[[.,[.,[.,.]]],.],.],.],.]     => 6
[[[[[.,[[.,.],.]],.],.],.],.]     => 6
[[[[[[.,.],[.,.]],.],.],.],.]     => 4
[[[[[[.,[.,.]],.],.],.],.],.]     => 6
[[[[[[[.,.],.],.],.],.],.],.]     => 6
[.,[.,[.,[.,[.,[.,[.,[.,.]]]]]]]] => 7
[.,[.,[.,[.,[.,[.,[[.,.],.]]]]]]] => 7
[.,[.,[.,[.,[.,[[.,.],[.,.]]]]]]] => 5
[.,[.,[.,[.,[.,[[.,[.,.]],.]]]]]] => 7
[.,[.,[.,[.,[.,[[[.,.],.],.]]]]]] => 7
[.,[.,[.,[.,[[.,.],[.,[.,.]]]]]]] => 5
[.,[.,[.,[.,[[.,.],[[.,.],.]]]]]] => 5
[.,[.,[.,[.,[[.,[.,.]],[.,.]]]]]] => 5
[.,[.,[.,[.,[[[.,.],.],[.,.]]]]]] => 5
[.,[.,[.,[.,[[.,[.,[.,.]]],.]]]]] => 7
[.,[.,[.,[.,[[.,[[.,.],.]],.]]]]] => 7
[.,[.,[.,[.,[[[.,.],[.,.]],.]]]]] => 5
[.,[.,[.,[.,[[[.,[.,.]],.],.]]]]] => 7
[.,[.,[.,[.,[[[[.,.],.],.],.]]]]] => 7
[.,[.,[.,[[.,.],[.,[.,[.,.]]]]]]] => 5
[.,[.,[.,[[.,.],[.,[[.,.],.]]]]]] => 5
[.,[.,[.,[[.,.],[[.,.],[.,.]]]]]] => 3
[.,[.,[.,[[.,.],[[.,[.,.]],.]]]]] => 5
[.,[.,[.,[[.,.],[[[.,.],.],.]]]]] => 5
[.,[.,[.,[[.,[.,.]],[.,[.,.]]]]]] => 5
[.,[.,[.,[[.,[.,.]],[[.,.],.]]]]] => 5
[.,[.,[.,[[[.,.],.],[.,[.,.]]]]]] => 5
[.,[.,[.,[[[.,.],.],[[.,.],.]]]]] => 5
[.,[.,[.,[[.,[.,[.,.]]],[.,.]]]]] => 5
[.,[.,[.,[[.,[[.,.],.]],[.,.]]]]] => 5
[.,[.,[.,[[[.,.],[.,.]],[.,.]]]]] => 3
[.,[.,[.,[[[.,[.,.]],.],[.,.]]]]] => 5
[.,[.,[.,[[[[.,.],.],.],[.,.]]]]] => 5
[.,[.,[.,[[.,[.,[.,[.,.]]]],.]]]] => 7
[.,[.,[.,[[.,[.,[[.,.],.]]],.]]]] => 7
[.,[.,[.,[[.,[[.,.],[.,.]]],.]]]] => 5
[.,[.,[.,[[.,[[.,[.,.]],.]],.]]]] => 7
[.,[.,[.,[[.,[[[.,.],.],.]],.]]]] => 7
[.,[.,[.,[[[.,.],[.,[.,.]]],.]]]] => 5
[.,[.,[.,[[[.,.],[[.,.],.]],.]]]] => 5
[.,[.,[.,[[[.,[.,.]],[.,.]],.]]]] => 5
[.,[.,[.,[[[[.,.],.],[.,.]],.]]]] => 5
[.,[.,[.,[[[.,[.,[.,.]]],.],.]]]] => 7
[.,[.,[.,[[[.,[[.,.],.]],.],.]]]] => 7
[.,[.,[.,[[[[.,.],[.,.]],.],.]]]] => 5
[.,[.,[.,[[[[.,[.,.]],.],.],.]]]] => 7
[.,[.,[.,[[[[[.,.],.],.],.],.]]]] => 7
[.,[.,[[.,.],[.,[.,[.,[.,.]]]]]]] => 5
[.,[.,[[.,.],[.,[.,[[.,.],.]]]]]] => 5
[.,[.,[[.,.],[.,[[.,.],[.,.]]]]]] => 3
[.,[.,[[.,.],[.,[[.,[.,.]],.]]]]] => 5
[.,[.,[[.,.],[.,[[[.,.],.],.]]]]] => 5
[.,[.,[[.,.],[[.,.],[.,[.,.]]]]]] => 3
[.,[.,[[.,.],[[.,.],[[.,.],.]]]]] => 3
[.,[.,[[.,.],[[.,[.,.]],[.,.]]]]] => 3
[.,[.,[[.,.],[[[.,.],.],[.,.]]]]] => 3
[.,[.,[[.,.],[[.,[.,[.,.]]],.]]]] => 5
[.,[.,[[.,.],[[.,[[.,.],.]],.]]]] => 5
[.,[.,[[.,.],[[[.,.],[.,.]],.]]]] => 3
[.,[.,[[.,.],[[[.,[.,.]],.],.]]]] => 5
[.,[.,[[.,.],[[[[.,.],.],.],.]]]] => 5
[.,[.,[[.,[.,.]],[.,[.,[.,.]]]]]] => 5
[.,[.,[[.,[.,.]],[.,[[.,.],.]]]]] => 5
[.,[.,[[.,[.,.]],[[.,.],[.,.]]]]] => 3
[.,[.,[[.,[.,.]],[[.,[.,.]],.]]]] => 5
[.,[.,[[.,[.,.]],[[[.,.],.],.]]]] => 5
[.,[.,[[[.,.],.],[.,[.,[.,.]]]]]] => 5
[.,[.,[[[.,.],.],[.,[[.,.],.]]]]] => 5
[.,[.,[[[.,.],.],[[.,.],[.,.]]]]] => 3
[.,[.,[[[.,.],.],[[.,[.,.]],.]]]] => 5
[.,[.,[[[.,.],.],[[[.,.],.],.]]]] => 5
[.,[.,[[.,[.,[.,.]]],[.,[.,.]]]]] => 5
[.,[.,[[.,[.,[.,.]]],[[.,.],.]]]] => 5
[.,[.,[[.,[[.,.],.]],[.,[.,.]]]]] => 5
[.,[.,[[.,[[.,.],.]],[[.,.],.]]]] => 5
[.,[.,[[[.,.],[.,.]],[.,[.,.]]]]] => 3
[.,[.,[[[.,.],[.,.]],[[.,.],.]]]] => 3
[.,[.,[[[.,[.,.]],.],[.,[.,.]]]]] => 5
[.,[.,[[[.,[.,.]],.],[[.,.],.]]]] => 5
[.,[.,[[[[.,.],.],.],[.,[.,.]]]]] => 5
[.,[.,[[[[.,.],.],.],[[.,.],.]]]] => 5
[.,[.,[[.,[.,[.,[.,.]]]],[.,.]]]] => 5
[.,[.,[[.,[.,[[.,.],.]]],[.,.]]]] => 5
[.,[.,[[.,[[.,.],[.,.]]],[.,.]]]] => 3
[.,[.,[[.,[[.,[.,.]],.]],[.,.]]]] => 5
[.,[.,[[.,[[[.,.],.],.]],[.,.]]]] => 5
[.,[.,[[[.,.],[.,[.,.]]],[.,.]]]] => 3
[.,[.,[[[.,.],[[.,.],.]],[.,.]]]] => 3
[.,[.,[[[.,[.,.]],[.,.]],[.,.]]]] => 3
[.,[.,[[[[.,.],.],[.,.]],[.,.]]]] => 3
[.,[.,[[[.,[.,[.,.]]],.],[.,.]]]] => 5
[.,[.,[[[.,[[.,.],.]],.],[.,.]]]] => 5
[.,[.,[[[[.,.],[.,.]],.],[.,.]]]] => 3
[.,[.,[[[[.,[.,.]],.],.],[.,.]]]] => 5
[.,[.,[[[[[.,.],.],.],.],[.,.]]]] => 5
[.,[.,[[.,[.,[.,[.,[.,.]]]]],.]]] => 7
[.,[.,[[.,[.,[.,[[.,.],.]]]],.]]] => 7
[.,[.,[[.,[.,[[.,.],[.,.]]]],.]]] => 5
[.,[.,[[.,[.,[[.,[.,.]],.]]],.]]] => 7
[.,[.,[[.,[.,[[[.,.],.],.]]],.]]] => 7
[.,[.,[[.,[[.,.],[.,[.,.]]]],.]]] => 5
[.,[.,[[.,[[.,.],[[.,.],.]]],.]]] => 5
[.,[.,[[.,[[.,[.,.]],[.,.]]],.]]] => 5
[.,[.,[[.,[[[.,.],.],[.,.]]],.]]] => 5
[.,[.,[[.,[[.,[.,[.,.]]],.]],.]]] => 7
[.,[.,[[.,[[.,[[.,.],.]],.]],.]]] => 7
[.,[.,[[.,[[[.,.],[.,.]],.]],.]]] => 5
[.,[.,[[.,[[[.,[.,.]],.],.]],.]]] => 7
[.,[.,[[.,[[[[.,.],.],.],.]],.]]] => 7
[.,[.,[[[.,.],[.,[.,[.,.]]]],.]]] => 5
[.,[.,[[[.,.],[.,[[.,.],.]]],.]]] => 5
[.,[.,[[[.,.],[[.,.],[.,.]]],.]]] => 3
[.,[.,[[[.,.],[[.,[.,.]],.]],.]]] => 5
[.,[.,[[[.,.],[[[.,.],.],.]],.]]] => 5
[.,[.,[[[.,[.,.]],[.,[.,.]]],.]]] => 5
[.,[.,[[[.,[.,.]],[[.,.],.]],.]]] => 5
[.,[.,[[[[.,.],.],[.,[.,.]]],.]]] => 5
[.,[.,[[[[.,.],.],[[.,.],.]],.]]] => 5
[.,[.,[[[.,[.,[.,.]]],[.,.]],.]]] => 5
[.,[.,[[[.,[[.,.],.]],[.,.]],.]]] => 5
[.,[.,[[[[.,.],[.,.]],[.,.]],.]]] => 3
[.,[.,[[[[.,[.,.]],.],[.,.]],.]]] => 5
[.,[.,[[[[[.,.],.],.],[.,.]],.]]] => 5
[.,[.,[[[.,[.,[.,[.,.]]]],.],.]]] => 7
[.,[.,[[[.,[.,[[.,.],.]]],.],.]]] => 7
[.,[.,[[[.,[[.,.],[.,.]]],.],.]]] => 5
[.,[.,[[[.,[[.,[.,.]],.]],.],.]]] => 7
[.,[.,[[[.,[[[.,.],.],.]],.],.]]] => 7
[.,[.,[[[[.,.],[.,[.,.]]],.],.]]] => 5
[.,[.,[[[[.,.],[[.,.],.]],.],.]]] => 5
[.,[.,[[[[.,[.,.]],[.,.]],.],.]]] => 5
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[[.,.],[[.,.],[.,[[[.,.],.],.]]]] => 3
[[.,.],[[.,.],[[.,.],[.,[.,.]]]]] => 1
[[.,.],[[.,.],[[.,.],[[.,.],.]]]] => 1
[[.,.],[[.,.],[[.,[.,.]],[.,.]]]] => 1
[[.,.],[[.,.],[[[.,.],.],[.,.]]]] => 1
[[.,.],[[.,.],[[.,[.,[.,.]]],.]]] => 3
[[.,.],[[.,.],[[.,[[.,.],.]],.]]] => 3
[[.,.],[[.,.],[[[.,.],[.,.]],.]]] => 1
[[.,.],[[.,.],[[[.,[.,.]],.],.]]] => 3
[[.,.],[[.,.],[[[[.,.],.],.],.]]] => 3
[[.,.],[[.,[.,.]],[.,[.,[.,.]]]]] => 3
[[.,.],[[.,[.,.]],[.,[[.,.],.]]]] => 3
[[.,.],[[.,[.,.]],[[.,.],[.,.]]]] => 1
[[.,.],[[.,[.,.]],[[.,[.,.]],.]]] => 3
[[.,.],[[.,[.,.]],[[[.,.],.],.]]] => 3
[[.,.],[[[.,.],.],[.,[.,[.,.]]]]] => 3
[[.,.],[[[.,.],.],[.,[[.,.],.]]]] => 3
[[.,.],[[[.,.],.],[[.,.],[.,.]]]] => 1
[[.,.],[[[.,.],.],[[.,[.,.]],.]]] => 3
[[.,.],[[[.,.],.],[[[.,.],.],.]]] => 3
[[.,.],[[.,[.,[.,.]]],[.,[.,.]]]] => 3
[[.,.],[[.,[.,[.,.]]],[[.,.],.]]] => 3
[[.,.],[[.,[[.,.],.]],[.,[.,.]]]] => 3
[[.,.],[[.,[[.,.],.]],[[.,.],.]]] => 3
[[.,.],[[[.,.],[.,.]],[.,[.,.]]]] => 1
[[.,.],[[[.,.],[.,.]],[[.,.],.]]] => 1
[[.,.],[[[.,[.,.]],.],[.,[.,.]]]] => 3
[[.,.],[[[.,[.,.]],.],[[.,.],.]]] => 3
[[.,.],[[[[.,.],.],.],[.,[.,.]]]] => 3
[[.,.],[[[[.,.],.],.],[[.,.],.]]] => 3
[[.,.],[[.,[.,[.,[.,.]]]],[.,.]]] => 3
[[.,.],[[.,[.,[[.,.],.]]],[.,.]]] => 3
[[.,.],[[.,[[.,.],[.,.]]],[.,.]]] => 1
[[.,.],[[.,[[.,[.,.]],.]],[.,.]]] => 3
[[.,.],[[.,[[[.,.],.],.]],[.,.]]] => 3
[[.,.],[[[.,.],[.,[.,.]]],[.,.]]] => 1
[[.,.],[[[.,.],[[.,.],.]],[.,.]]] => 1
[[.,.],[[[.,[.,.]],[.,.]],[.,.]]] => 1
[[.,.],[[[[.,.],.],[.,.]],[.,.]]] => 1
[[.,.],[[[.,[.,[.,.]]],.],[.,.]]] => 3
[[.,.],[[[.,[[.,.],.]],.],[.,.]]] => 3
[[.,.],[[[[.,.],[.,.]],.],[.,.]]] => 1
[[.,.],[[[[.,[.,.]],.],.],[.,.]]] => 3
[[.,.],[[[[[.,.],.],.],.],[.,.]]] => 3
[[.,.],[[.,[.,[.,[.,[.,.]]]]],.]] => 5
[[.,.],[[.,[.,[.,[[.,.],.]]]],.]] => 5
[[.,.],[[.,[.,[[.,.],[.,.]]]],.]] => 3
[[.,.],[[.,[.,[[.,[.,.]],.]]],.]] => 5
[[.,.],[[.,[.,[[[.,.],.],.]]],.]] => 5
[[.,.],[[.,[[.,.],[.,[.,.]]]],.]] => 3
[[.,.],[[.,[[.,.],[[.,.],.]]],.]] => 3
[[.,.],[[.,[[.,[.,.]],[.,.]]],.]] => 3
[[.,.],[[.,[[[.,.],.],[.,.]]],.]] => 3
[[.,.],[[.,[[.,[.,[.,.]]],.]],.]] => 5
[[.,.],[[.,[[.,[[.,.],.]],.]],.]] => 5
[[.,.],[[.,[[[.,.],[.,.]],.]],.]] => 3
[[.,.],[[.,[[[.,[.,.]],.],.]],.]] => 5
[[.,.],[[.,[[[[.,.],.],.],.]],.]] => 5
[[.,.],[[[.,.],[.,[.,[.,.]]]],.]] => 3
[[.,.],[[[.,.],[.,[[.,.],.]]],.]] => 3
[[.,.],[[[.,.],[[.,.],[.,.]]],.]] => 1
[[.,.],[[[.,.],[[.,[.,.]],.]],.]] => 3
[[.,.],[[[.,.],[[[.,.],.],.]],.]] => 3
[[.,.],[[[.,[.,.]],[.,[.,.]]],.]] => 3
[[.,.],[[[.,[.,.]],[[.,.],.]],.]] => 3
[[.,.],[[[[.,.],.],[.,[.,.]]],.]] => 3
[[.,.],[[[[.,.],.],[[.,.],.]],.]] => 3
[[.,.],[[[.,[.,[.,.]]],[.,.]],.]] => 3
[[.,.],[[[.,[[.,.],.]],[.,.]],.]] => 3
[[.,.],[[[[.,.],[.,.]],[.,.]],.]] => 1
[[.,.],[[[[.,[.,.]],.],[.,.]],.]] => 3
[[.,.],[[[[[.,.],.],.],[.,.]],.]] => 3
[[.,.],[[[.,[.,[.,[.,.]]]],.],.]] => 5
[[.,.],[[[.,[.,[[.,.],.]]],.],.]] => 5
[[.,.],[[[.,[[.,.],[.,.]]],.],.]] => 3
[[.,.],[[[.,[[.,[.,.]],.]],.],.]] => 5
[[.,.],[[[.,[[[.,.],.],.]],.],.]] => 5
[[.,.],[[[[.,.],[.,[.,.]]],.],.]] => 3
[[.,.],[[[[.,.],[[.,.],.]],.],.]] => 3
[[.,.],[[[[.,[.,.]],[.,.]],.],.]] => 3
[[.,.],[[[[[.,.],.],[.,.]],.],.]] => 3
[[.,.],[[[[.,[.,[.,.]]],.],.],.]] => 5
[[.,.],[[[[.,[[.,.],.]],.],.],.]] => 5
[[.,.],[[[[[.,.],[.,.]],.],.],.]] => 3
[[.,.],[[[[[.,[.,.]],.],.],.],.]] => 5
[[.,.],[[[[[[.,.],.],.],.],.],.]] => 5
[[.,[.,.]],[.,[.,[.,[.,[.,.]]]]]] => 5
[[.,[.,.]],[.,[.,[.,[[.,.],.]]]]] => 5
[[.,[.,.]],[.,[.,[[.,.],[.,.]]]]] => 3
[[.,[.,.]],[.,[.,[[.,[.,.]],.]]]] => 5
[[.,[.,.]],[.,[.,[[[.,.],.],.]]]] => 5
[[.,[.,.]],[.,[[.,.],[.,[.,.]]]]] => 3
[[.,[.,.]],[.,[[.,.],[[.,.],.]]]] => 3
[[.,[.,.]],[.,[[.,[.,.]],[.,.]]]] => 3
[[.,[.,.]],[.,[[[.,.],.],[.,.]]]] => 3
[[.,[.,.]],[.,[[.,[.,[.,.]]],.]]] => 5
[[.,[.,.]],[.,[[.,[[.,.],.]],.]]] => 5
[[.,[.,.]],[.,[[[.,.],[.,.]],.]]] => 3
[[.,[.,.]],[.,[[[.,[.,.]],.],.]]] => 5
[[.,[.,.]],[.,[[[[.,.],.],.],.]]] => 5
[[.,[.,.]],[[.,.],[.,[.,[.,.]]]]] => 3

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Created: Feb 10, 2016 at 09:37 by Christian Stump

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Last Updated: Feb 10, 2016 at 09:57 by Christian Stump