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*       www.FindStat.org - The Combinatorial Statistic Finder               *
*                                                                           *
*       Copyright (C) 2019 The FindStatCrew <info@findstat.org>             *
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*    but WITHOUT ANY WARRANTY; without even the implied warranty of         *
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*****************************************************************************

-----------------------------------------------------------------------------
Statistic identifier: St000325

-----------------------------------------------------------------------------
Collection: Permutations

-----------------------------------------------------------------------------
Description: The width of the tree associated to a permutation.

A permutation can be mapped to a rooted tree with vertices $\{0,1,2,\ldots,n\}$ and root $0$ in the following way. Entries of the permutations are inserted one after the other, each child is larger than its parent and the children are in strict order from left to right. Details of the construction are found in [1].
The width of the tree is given by the number of leaves of this tree.

Note that, due to the construction of this tree, the width of the tree is always one more than the number of descents [[St000021]]. This also matches the number of runs in a permutation [[St000470]].

See also [[St000308]] for the height of this tree.

-----------------------------------------------------------------------------
References: [1]   Triangle of Eulerian numbers T(n,k), 0<=k<=n, read by rows. [[OEIS:A123125]]
[2]   [[http://oeis.org/wiki/User:Peter_Luschny/PermutationTrees]]

-----------------------------------------------------------------------------
Code:
def statistic(pi):
    if pi == []: return 0
    w, i, branch, next = 0, len(pi), [0], pi[0] 
    while true:
        while next < branch[len(branch)-1]:
            branch.pop()
        current = 0
        w += 1 
        while next > current:
            i -= 1 
            if i == 0: return w
            branch.append(next)
            current, next = next, pi[i]
        w += 1

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

[1]           => 1
[1,2]         => 1
[2,1]         => 2
[1,2,3]       => 1
[1,3,2]       => 2
[2,1,3]       => 2
[2,3,1]       => 2
[3,1,2]       => 2
[3,2,1]       => 3
[1,2,3,4]     => 1
[1,2,4,3]     => 2
[1,3,2,4]     => 2
[1,3,4,2]     => 2
[1,4,2,3]     => 2
[1,4,3,2]     => 3
[2,1,3,4]     => 2
[2,1,4,3]     => 3
[2,3,1,4]     => 2
[2,3,4,1]     => 2
[2,4,1,3]     => 2
[2,4,3,1]     => 3
[3,1,2,4]     => 2
[3,1,4,2]     => 3
[3,2,1,4]     => 3
[3,2,4,1]     => 3
[3,4,1,2]     => 2
[3,4,2,1]     => 3
[4,1,2,3]     => 2
[4,1,3,2]     => 3
[4,2,1,3]     => 3
[4,2,3,1]     => 3
[4,3,1,2]     => 3
[4,3,2,1]     => 4
[1,2,3,4,5]   => 1
[1,2,3,5,4]   => 2
[1,2,4,3,5]   => 2
[1,2,4,5,3]   => 2
[1,2,5,3,4]   => 2
[1,2,5,4,3]   => 3
[1,3,2,4,5]   => 2
[1,3,2,5,4]   => 3
[1,3,4,2,5]   => 2
[1,3,4,5,2]   => 2
[1,3,5,2,4]   => 2
[1,3,5,4,2]   => 3
[1,4,2,3,5]   => 2
[1,4,2,5,3]   => 3
[1,4,3,2,5]   => 3
[1,4,3,5,2]   => 3
[1,4,5,2,3]   => 2
[1,4,5,3,2]   => 3
[1,5,2,3,4]   => 2
[1,5,2,4,3]   => 3
[1,5,3,2,4]   => 3
[1,5,3,4,2]   => 3
[1,5,4,2,3]   => 3
[1,5,4,3,2]   => 4
[2,1,3,4,5]   => 2
[2,1,3,5,4]   => 3
[2,1,4,3,5]   => 3
[2,1,4,5,3]   => 3
[2,1,5,3,4]   => 3
[2,1,5,4,3]   => 4
[2,3,1,4,5]   => 2
[2,3,1,5,4]   => 3
[2,3,4,1,5]   => 2
[2,3,4,5,1]   => 2
[2,3,5,1,4]   => 2
[2,3,5,4,1]   => 3
[2,4,1,3,5]   => 2
[2,4,1,5,3]   => 3
[2,4,3,1,5]   => 3
[2,4,3,5,1]   => 3
[2,4,5,1,3]   => 2
[2,4,5,3,1]   => 3
[2,5,1,3,4]   => 2
[2,5,1,4,3]   => 3
[2,5,3,1,4]   => 3
[2,5,3,4,1]   => 3
[2,5,4,1,3]   => 3
[2,5,4,3,1]   => 4
[3,1,2,4,5]   => 2
[3,1,2,5,4]   => 3
[3,1,4,2,5]   => 3
[3,1,4,5,2]   => 3
[3,1,5,2,4]   => 3
[3,1,5,4,2]   => 4
[3,2,1,4,5]   => 3
[3,2,1,5,4]   => 4
[3,2,4,1,5]   => 3
[3,2,4,5,1]   => 3
[3,2,5,1,4]   => 3
[3,2,5,4,1]   => 4
[3,4,1,2,5]   => 2
[3,4,1,5,2]   => 3
[3,4,2,1,5]   => 3
[3,4,2,5,1]   => 3
[3,4,5,1,2]   => 2
[3,4,5,2,1]   => 3
[3,5,1,2,4]   => 2
[3,5,1,4,2]   => 3
[3,5,2,1,4]   => 3
[3,5,2,4,1]   => 3
[3,5,4,1,2]   => 3
[3,5,4,2,1]   => 4
[4,1,2,3,5]   => 2
[4,1,2,5,3]   => 3
[4,1,3,2,5]   => 3
[4,1,3,5,2]   => 3
[4,1,5,2,3]   => 3
[4,1,5,3,2]   => 4
[4,2,1,3,5]   => 3
[4,2,1,5,3]   => 4
[4,2,3,1,5]   => 3
[4,2,3,5,1]   => 3
[4,2,5,1,3]   => 3
[4,2,5,3,1]   => 4
[4,3,1,2,5]   => 3
[4,3,1,5,2]   => 4
[4,3,2,1,5]   => 4
[4,3,2,5,1]   => 4
[4,3,5,1,2]   => 3
[4,3,5,2,1]   => 4
[4,5,1,2,3]   => 2
[4,5,1,3,2]   => 3
[4,5,2,1,3]   => 3
[4,5,2,3,1]   => 3
[4,5,3,1,2]   => 3
[4,5,3,2,1]   => 4
[5,1,2,3,4]   => 2
[5,1,2,4,3]   => 3
[5,1,3,2,4]   => 3
[5,1,3,4,2]   => 3
[5,1,4,2,3]   => 3
[5,1,4,3,2]   => 4
[5,2,1,3,4]   => 3
[5,2,1,4,3]   => 4
[5,2,3,1,4]   => 3
[5,2,3,4,1]   => 3
[5,2,4,1,3]   => 3
[5,2,4,3,1]   => 4
[5,3,1,2,4]   => 3
[5,3,1,4,2]   => 4
[5,3,2,1,4]   => 4
[5,3,2,4,1]   => 4
[5,3,4,1,2]   => 3
[5,3,4,2,1]   => 4
[5,4,1,2,3]   => 3
[5,4,1,3,2]   => 4
[5,4,2,1,3]   => 4
[5,4,2,3,1]   => 4
[5,4,3,1,2]   => 4
[5,4,3,2,1]   => 5
[1,2,3,4,5,6] => 1
[1,2,3,4,6,5] => 2
[1,2,3,5,4,6] => 2
[1,2,3,5,6,4] => 2
[1,2,3,6,4,5] => 2
[1,2,3,6,5,4] => 3
[1,2,4,3,5,6] => 2
[1,2,4,3,6,5] => 3
[1,2,4,5,3,6] => 2
[1,2,4,5,6,3] => 2
[1,2,4,6,3,5] => 2
[1,2,4,6,5,3] => 3
[1,2,5,3,4,6] => 2
[1,2,5,3,6,4] => 3
[1,2,5,4,3,6] => 3
[1,2,5,4,6,3] => 3
[1,2,5,6,3,4] => 2
[1,2,5,6,4,3] => 3
[1,2,6,3,4,5] => 2
[1,2,6,3,5,4] => 3
[1,2,6,4,3,5] => 3
[1,2,6,4,5,3] => 3
[1,2,6,5,3,4] => 3
[1,2,6,5,4,3] => 4
[1,3,2,4,5,6] => 2
[1,3,2,4,6,5] => 3
[1,3,2,5,4,6] => 3
[1,3,2,5,6,4] => 3
[1,3,2,6,4,5] => 3
[1,3,2,6,5,4] => 4
[1,3,4,2,5,6] => 2
[1,3,4,2,6,5] => 3
[1,3,4,5,2,6] => 2
[1,3,4,5,6,2] => 2
[1,3,4,6,2,5] => 2
[1,3,4,6,5,2] => 3
[1,3,5,2,4,6] => 2
[1,3,5,2,6,4] => 3
[1,3,5,4,2,6] => 3
[1,3,5,4,6,2] => 3
[1,3,5,6,2,4] => 2
[1,3,5,6,4,2] => 3
[1,3,6,2,4,5] => 2
[1,3,6,2,5,4] => 3
[1,3,6,4,2,5] => 3
[1,3,6,4,5,2] => 3
[1,3,6,5,2,4] => 3
[1,3,6,5,4,2] => 4
[1,4,2,3,5,6] => 2
[1,4,2,3,6,5] => 3
[1,4,2,5,3,6] => 3
[1,4,2,5,6,3] => 3
[1,4,2,6,3,5] => 3
[1,4,2,6,5,3] => 4
[1,4,3,2,5,6] => 3
[1,4,3,2,6,5] => 4
[1,4,3,5,2,6] => 3
[1,4,3,5,6,2] => 3
[1,4,3,6,2,5] => 3
[1,4,3,6,5,2] => 4
[1,4,5,2,3,6] => 2
[1,4,5,2,6,3] => 3
[1,4,5,3,2,6] => 3
[1,4,5,3,6,2] => 3
[1,4,5,6,2,3] => 2
[1,4,5,6,3,2] => 3
[1,4,6,2,3,5] => 2
[1,4,6,2,5,3] => 3
[1,4,6,3,2,5] => 3
[1,4,6,3,5,2] => 3
[1,4,6,5,2,3] => 3
[1,4,6,5,3,2] => 4
[1,5,2,3,4,6] => 2
[1,5,2,3,6,4] => 3
[1,5,2,4,3,6] => 3
[1,5,2,4,6,3] => 3
[1,5,2,6,3,4] => 3
[1,5,2,6,4,3] => 4
[1,5,3,2,4,6] => 3
[1,5,3,2,6,4] => 4
[1,5,3,4,2,6] => 3
[1,5,3,4,6,2] => 3
[1,5,3,6,2,4] => 3
[1,5,3,6,4,2] => 4
[1,5,4,2,3,6] => 3
[1,5,4,2,6,3] => 4
[1,5,4,3,2,6] => 4
[1,5,4,3,6,2] => 4
[1,5,4,6,2,3] => 3
[1,5,4,6,3,2] => 4
[1,5,6,2,3,4] => 2
[1,5,6,2,4,3] => 3
[1,5,6,3,2,4] => 3
[1,5,6,3,4,2] => 3
[1,5,6,4,2,3] => 3
[1,5,6,4,3,2] => 4
[1,6,2,3,4,5] => 2
[1,6,2,3,5,4] => 3
[1,6,2,4,3,5] => 3
[1,6,2,4,5,3] => 3
[1,6,2,5,3,4] => 3
[1,6,2,5,4,3] => 4
[1,6,3,2,4,5] => 3
[1,6,3,2,5,4] => 4
[1,6,3,4,2,5] => 3
[1,6,3,4,5,2] => 3
[1,6,3,5,2,4] => 3
[1,6,3,5,4,2] => 4
[1,6,4,2,3,5] => 3
[1,6,4,2,5,3] => 4
[1,6,4,3,2,5] => 4
[1,6,4,3,5,2] => 4
[1,6,4,5,2,3] => 3
[1,6,4,5,3,2] => 4
[1,6,5,2,3,4] => 3
[1,6,5,2,4,3] => 4
[1,6,5,3,2,4] => 4
[1,6,5,3,4,2] => 4
[1,6,5,4,2,3] => 4
[1,6,5,4,3,2] => 5
[2,1,3,4,5,6] => 2
[2,1,3,4,6,5] => 3
[2,1,3,5,4,6] => 3
[2,1,3,5,6,4] => 3
[2,1,3,6,4,5] => 3
[2,1,3,6,5,4] => 4
[2,1,4,3,5,6] => 3
[2,1,4,3,6,5] => 4
[2,1,4,5,3,6] => 3
[2,1,4,5,6,3] => 3
[2,1,4,6,3,5] => 3
[2,1,4,6,5,3] => 4
[2,1,5,3,4,6] => 3
[2,1,5,3,6,4] => 4
[2,1,5,4,3,6] => 4
[2,1,5,4,6,3] => 4
[2,1,5,6,3,4] => 3
[2,1,5,6,4,3] => 4
[2,1,6,3,4,5] => 3
[2,1,6,3,5,4] => 4
[2,1,6,4,3,5] => 4
[2,1,6,4,5,3] => 4
[2,1,6,5,3,4] => 4
[2,1,6,5,4,3] => 5
[2,3,1,4,5,6] => 2
[2,3,1,4,6,5] => 3
[2,3,1,5,4,6] => 3
[2,3,1,5,6,4] => 3
[2,3,1,6,4,5] => 3
[2,3,1,6,5,4] => 4
[2,3,4,1,5,6] => 2
[2,3,4,1,6,5] => 3
[2,3,4,5,1,6] => 2
[2,3,4,5,6,1] => 2
[2,3,4,6,1,5] => 2
[2,3,4,6,5,1] => 3
[2,3,5,1,4,6] => 2
[2,3,5,1,6,4] => 3
[2,3,5,4,1,6] => 3
[2,3,5,4,6,1] => 3
[2,3,5,6,1,4] => 2
[2,3,5,6,4,1] => 3
[2,3,6,1,4,5] => 2
[2,3,6,1,5,4] => 3
[2,3,6,4,1,5] => 3
[2,3,6,4,5,1] => 3
[2,3,6,5,1,4] => 3
[2,3,6,5,4,1] => 4
[2,4,1,3,5,6] => 2
[2,4,1,3,6,5] => 3
[2,4,1,5,3,6] => 3
[2,4,1,5,6,3] => 3
[2,4,1,6,3,5] => 3
[2,4,1,6,5,3] => 4
[2,4,3,1,5,6] => 3
[2,4,3,1,6,5] => 4
[2,4,3,5,1,6] => 3
[2,4,3,5,6,1] => 3
[2,4,3,6,1,5] => 3
[2,4,3,6,5,1] => 4
[2,4,5,1,3,6] => 2
[2,4,5,1,6,3] => 3
[2,4,5,3,1,6] => 3
[2,4,5,3,6,1] => 3
[2,4,5,6,1,3] => 2
[2,4,5,6,3,1] => 3
[2,4,6,1,3,5] => 2
[2,4,6,1,5,3] => 3
[2,4,6,3,1,5] => 3
[2,4,6,3,5,1] => 3
[2,4,6,5,1,3] => 3
[2,4,6,5,3,1] => 4
[2,5,1,3,4,6] => 2
[2,5,1,3,6,4] => 3
[2,5,1,4,3,6] => 3
[2,5,1,4,6,3] => 3
[2,5,1,6,3,4] => 3
[2,5,1,6,4,3] => 4
[2,5,3,1,4,6] => 3
[2,5,3,1,6,4] => 4
[2,5,3,4,1,6] => 3
[2,5,3,4,6,1] => 3
[2,5,3,6,1,4] => 3
[2,5,3,6,4,1] => 4
[2,5,4,1,3,6] => 3
[2,5,4,1,6,3] => 4
[2,5,4,3,1,6] => 4
[2,5,4,3,6,1] => 4
[2,5,4,6,1,3] => 3
[2,5,4,6,3,1] => 4
[2,5,6,1,3,4] => 2
[2,5,6,1,4,3] => 3
[2,5,6,3,1,4] => 3
[2,5,6,3,4,1] => 3
[2,5,6,4,1,3] => 3
[2,5,6,4,3,1] => 4
[2,6,1,3,4,5] => 2
[2,6,1,3,5,4] => 3
[2,6,1,4,3,5] => 3
[2,6,1,4,5,3] => 3
[2,6,1,5,3,4] => 3
[2,6,1,5,4,3] => 4
[2,6,3,1,4,5] => 3
[2,6,3,1,5,4] => 4
[2,6,3,4,1,5] => 3
[2,6,3,4,5,1] => 3
[2,6,3,5,1,4] => 3
[2,6,3,5,4,1] => 4
[2,6,4,1,3,5] => 3
[2,6,4,1,5,3] => 4
[2,6,4,3,1,5] => 4
[2,6,4,3,5,1] => 4
[2,6,4,5,1,3] => 3
[2,6,4,5,3,1] => 4
[2,6,5,1,3,4] => 3
[2,6,5,1,4,3] => 4
[2,6,5,3,1,4] => 4
[2,6,5,3,4,1] => 4
[2,6,5,4,1,3] => 4
[2,6,5,4,3,1] => 5
[3,1,2,4,5,6] => 2
[3,1,2,4,6,5] => 3
[3,1,2,5,4,6] => 3
[3,1,2,5,6,4] => 3
[3,1,2,6,4,5] => 3
[3,1,2,6,5,4] => 4
[3,1,4,2,5,6] => 3
[3,1,4,2,6,5] => 4
[3,1,4,5,2,6] => 3
[3,1,4,5,6,2] => 3
[3,1,4,6,2,5] => 3
[3,1,4,6,5,2] => 4
[3,1,5,2,4,6] => 3
[3,1,5,2,6,4] => 4
[3,1,5,4,2,6] => 4
[3,1,5,4,6,2] => 4
[3,1,5,6,2,4] => 3
[3,1,5,6,4,2] => 4
[3,1,6,2,4,5] => 3
[3,1,6,2,5,4] => 4
[3,1,6,4,2,5] => 4
[3,1,6,4,5,2] => 4
[3,1,6,5,2,4] => 4
[3,1,6,5,4,2] => 5
[3,2,1,4,5,6] => 3
[3,2,1,4,6,5] => 4
[3,2,1,5,4,6] => 4
[3,2,1,5,6,4] => 4
[3,2,1,6,4,5] => 4
[3,2,1,6,5,4] => 5
[3,2,4,1,5,6] => 3
[3,2,4,1,6,5] => 4
[3,2,4,5,1,6] => 3
[3,2,4,5,6,1] => 3
[3,2,4,6,1,5] => 3
[3,2,4,6,5,1] => 4
[3,2,5,1,4,6] => 3
[3,2,5,1,6,4] => 4
[3,2,5,4,1,6] => 4
[3,2,5,4,6,1] => 4
[3,2,5,6,1,4] => 3
[3,2,5,6,4,1] => 4
[3,2,6,1,4,5] => 3
[3,2,6,1,5,4] => 4
[3,2,6,4,1,5] => 4
[3,2,6,4,5,1] => 4
[3,2,6,5,1,4] => 4
[3,2,6,5,4,1] => 5
[3,4,1,2,5,6] => 2
[3,4,1,2,6,5] => 3
[3,4,1,5,2,6] => 3
[3,4,1,5,6,2] => 3
[3,4,1,6,2,5] => 3
[3,4,1,6,5,2] => 4
[3,4,2,1,5,6] => 3
[3,4,2,1,6,5] => 4
[3,4,2,5,1,6] => 3
[3,4,2,5,6,1] => 3
[3,4,2,6,1,5] => 3
[3,4,2,6,5,1] => 4
[3,4,5,1,2,6] => 2
[3,4,5,1,6,2] => 3
[3,4,5,2,1,6] => 3
[3,4,5,2,6,1] => 3
[3,4,5,6,1,2] => 2
[3,4,5,6,2,1] => 3
[3,4,6,1,2,5] => 2
[3,4,6,1,5,2] => 3
[3,4,6,2,1,5] => 3
[3,4,6,2,5,1] => 3
[3,4,6,5,1,2] => 3
[3,4,6,5,2,1] => 4
[3,5,1,2,4,6] => 2
[3,5,1,2,6,4] => 3
[3,5,1,4,2,6] => 3
[3,5,1,4,6,2] => 3
[3,5,1,6,2,4] => 3
[3,5,1,6,4,2] => 4
[3,5,2,1,4,6] => 3
[3,5,2,1,6,4] => 4
[3,5,2,4,1,6] => 3
[3,5,2,4,6,1] => 3
[3,5,2,6,1,4] => 3
[3,5,2,6,4,1] => 4
[3,5,4,1,2,6] => 3
[3,5,4,1,6,2] => 4
[3,5,4,2,1,6] => 4
[3,5,4,2,6,1] => 4
[3,5,4,6,1,2] => 3
[3,5,4,6,2,1] => 4
[3,5,6,1,2,4] => 2
[3,5,6,1,4,2] => 3
[3,5,6,2,1,4] => 3
[3,5,6,2,4,1] => 3
[3,5,6,4,1,2] => 3
[3,5,6,4,2,1] => 4
[3,6,1,2,4,5] => 2
[3,6,1,2,5,4] => 3
[3,6,1,4,2,5] => 3
[3,6,1,4,5,2] => 3
[3,6,1,5,2,4] => 3
[3,6,1,5,4,2] => 4
[3,6,2,1,4,5] => 3
[3,6,2,1,5,4] => 4
[3,6,2,4,1,5] => 3
[3,6,2,4,5,1] => 3
[3,6,2,5,1,4] => 3
[3,6,2,5,4,1] => 4
[3,6,4,1,2,5] => 3
[3,6,4,1,5,2] => 4
[3,6,4,2,1,5] => 4
[3,6,4,2,5,1] => 4
[3,6,4,5,1,2] => 3
[3,6,4,5,2,1] => 4
[3,6,5,1,2,4] => 3
[3,6,5,1,4,2] => 4
[3,6,5,2,1,4] => 4
[3,6,5,2,4,1] => 4
[3,6,5,4,1,2] => 4
[3,6,5,4,2,1] => 5
[4,1,2,3,5,6] => 2
[4,1,2,3,6,5] => 3
[4,1,2,5,3,6] => 3
[4,1,2,5,6,3] => 3
[4,1,2,6,3,5] => 3
[4,1,2,6,5,3] => 4
[4,1,3,2,5,6] => 3
[4,1,3,2,6,5] => 4
[4,1,3,5,2,6] => 3
[4,1,3,5,6,2] => 3
[4,1,3,6,2,5] => 3
[4,1,3,6,5,2] => 4
[4,1,5,2,3,6] => 3
[4,1,5,2,6,3] => 4
[4,1,5,3,2,6] => 4
[4,1,5,3,6,2] => 4
[4,1,5,6,2,3] => 3
[4,1,5,6,3,2] => 4
[4,1,6,2,3,5] => 3
[4,1,6,2,5,3] => 4
[4,1,6,3,2,5] => 4
[4,1,6,3,5,2] => 4
[4,1,6,5,2,3] => 4
[4,1,6,5,3,2] => 5
[4,2,1,3,5,6] => 3
[4,2,1,3,6,5] => 4
[4,2,1,5,3,6] => 4
[4,2,1,5,6,3] => 4
[4,2,1,6,3,5] => 4
[4,2,1,6,5,3] => 5
[4,2,3,1,5,6] => 3
[4,2,3,1,6,5] => 4
[4,2,3,5,1,6] => 3
[4,2,3,5,6,1] => 3
[4,2,3,6,1,5] => 3
[4,2,3,6,5,1] => 4
[4,2,5,1,3,6] => 3
[4,2,5,1,6,3] => 4
[4,2,5,3,1,6] => 4
[4,2,5,3,6,1] => 4
[4,2,5,6,1,3] => 3
[4,2,5,6,3,1] => 4
[4,2,6,1,3,5] => 3
[4,2,6,1,5,3] => 4
[4,2,6,3,1,5] => 4
[4,2,6,3,5,1] => 4
[4,2,6,5,1,3] => 4
[4,2,6,5,3,1] => 5
[4,3,1,2,5,6] => 3
[4,3,1,2,6,5] => 4
[4,3,1,5,2,6] => 4
[4,3,1,5,6,2] => 4
[4,3,1,6,2,5] => 4
[4,3,1,6,5,2] => 5
[4,3,2,1,5,6] => 4
[4,3,2,1,6,5] => 5
[4,3,2,5,1,6] => 4
[4,3,2,5,6,1] => 4
[4,3,2,6,1,5] => 4
[4,3,2,6,5,1] => 5
[4,3,5,1,2,6] => 3
[4,3,5,1,6,2] => 4
[4,3,5,2,1,6] => 4
[4,3,5,2,6,1] => 4
[4,3,5,6,1,2] => 3
[4,3,5,6,2,1] => 4
[4,3,6,1,2,5] => 3
[4,3,6,1,5,2] => 4
[4,3,6,2,1,5] => 4
[4,3,6,2,5,1] => 4
[4,3,6,5,1,2] => 4
[4,3,6,5,2,1] => 5
[4,5,1,2,3,6] => 2
[4,5,1,2,6,3] => 3
[4,5,1,3,2,6] => 3
[4,5,1,3,6,2] => 3
[4,5,1,6,2,3] => 3
[4,5,1,6,3,2] => 4
[4,5,2,1,3,6] => 3
[4,5,2,1,6,3] => 4
[4,5,2,3,1,6] => 3
[4,5,2,3,6,1] => 3
[4,5,2,6,1,3] => 3
[4,5,2,6,3,1] => 4
[4,5,3,1,2,6] => 3
[4,5,3,1,6,2] => 4
[4,5,3,2,1,6] => 4
[4,5,3,2,6,1] => 4
[4,5,3,6,1,2] => 3
[4,5,3,6,2,1] => 4
[4,5,6,1,2,3] => 2
[4,5,6,1,3,2] => 3
[4,5,6,2,1,3] => 3
[4,5,6,2,3,1] => 3
[4,5,6,3,1,2] => 3
[4,5,6,3,2,1] => 4
[4,6,1,2,3,5] => 2
[4,6,1,2,5,3] => 3
[4,6,1,3,2,5] => 3
[4,6,1,3,5,2] => 3
[4,6,1,5,2,3] => 3
[4,6,1,5,3,2] => 4
[4,6,2,1,3,5] => 3
[4,6,2,1,5,3] => 4
[4,6,2,3,1,5] => 3
[4,6,2,3,5,1] => 3
[4,6,2,5,1,3] => 3
[4,6,2,5,3,1] => 4
[4,6,3,1,2,5] => 3
[4,6,3,1,5,2] => 4
[4,6,3,2,1,5] => 4
[4,6,3,2,5,1] => 4
[4,6,3,5,1,2] => 3
[4,6,3,5,2,1] => 4
[4,6,5,1,2,3] => 3
[4,6,5,1,3,2] => 4
[4,6,5,2,1,3] => 4
[4,6,5,2,3,1] => 4
[4,6,5,3,1,2] => 4
[4,6,5,3,2,1] => 5
[5,1,2,3,4,6] => 2
[5,1,2,3,6,4] => 3
[5,1,2,4,3,6] => 3
[5,1,2,4,6,3] => 3
[5,1,2,6,3,4] => 3
[5,1,2,6,4,3] => 4
[5,1,3,2,4,6] => 3
[5,1,3,2,6,4] => 4
[5,1,3,4,2,6] => 3
[5,1,3,4,6,2] => 3
[5,1,3,6,2,4] => 3
[5,1,3,6,4,2] => 4
[5,1,4,2,3,6] => 3
[5,1,4,2,6,3] => 4
[5,1,4,3,2,6] => 4
[5,1,4,3,6,2] => 4
[5,1,4,6,2,3] => 3
[5,1,4,6,3,2] => 4
[5,1,6,2,3,4] => 3
[5,1,6,2,4,3] => 4
[5,1,6,3,2,4] => 4
[5,1,6,3,4,2] => 4
[5,1,6,4,2,3] => 4
[5,1,6,4,3,2] => 5
[5,2,1,3,4,6] => 3
[5,2,1,3,6,4] => 4
[5,2,1,4,3,6] => 4
[5,2,1,4,6,3] => 4
[5,2,1,6,3,4] => 4
[5,2,1,6,4,3] => 5
[5,2,3,1,4,6] => 3
[5,2,3,1,6,4] => 4
[5,2,3,4,1,6] => 3
[5,2,3,4,6,1] => 3
[5,2,3,6,1,4] => 3
[5,2,3,6,4,1] => 4
[5,2,4,1,3,6] => 3
[5,2,4,1,6,3] => 4
[5,2,4,3,1,6] => 4
[5,2,4,3,6,1] => 4
[5,2,4,6,1,3] => 3
[5,2,4,6,3,1] => 4
[5,2,6,1,3,4] => 3
[5,2,6,1,4,3] => 4
[5,2,6,3,1,4] => 4
[5,2,6,3,4,1] => 4
[5,2,6,4,1,3] => 4
[5,2,6,4,3,1] => 5
[5,3,1,2,4,6] => 3
[5,3,1,2,6,4] => 4
[5,3,1,4,2,6] => 4
[5,3,1,4,6,2] => 4
[5,3,1,6,2,4] => 4
[5,3,1,6,4,2] => 5
[5,3,2,1,4,6] => 4
[5,3,2,1,6,4] => 5
[5,3,2,4,1,6] => 4
[5,3,2,4,6,1] => 4
[5,3,2,6,1,4] => 4
[5,3,2,6,4,1] => 5
[5,3,4,1,2,6] => 3
[5,3,4,1,6,2] => 4
[5,3,4,2,1,6] => 4
[5,3,4,2,6,1] => 4
[5,3,4,6,1,2] => 3
[5,3,4,6,2,1] => 4
[5,3,6,1,2,4] => 3
[5,3,6,1,4,2] => 4
[5,3,6,2,1,4] => 4
[5,3,6,2,4,1] => 4
[5,3,6,4,1,2] => 4
[5,3,6,4,2,1] => 5
[5,4,1,2,3,6] => 3
[5,4,1,2,6,3] => 4
[5,4,1,3,2,6] => 4
[5,4,1,3,6,2] => 4
[5,4,1,6,2,3] => 4
[5,4,1,6,3,2] => 5
[5,4,2,1,3,6] => 4
[5,4,2,1,6,3] => 5
[5,4,2,3,1,6] => 4
[5,4,2,3,6,1] => 4
[5,4,2,6,1,3] => 4
[5,4,2,6,3,1] => 5
[5,4,3,1,2,6] => 4
[5,4,3,1,6,2] => 5
[5,4,3,2,1,6] => 5
[5,4,3,2,6,1] => 5
[5,4,3,6,1,2] => 4
[5,4,3,6,2,1] => 5
[5,4,6,1,2,3] => 3
[5,4,6,1,3,2] => 4
[5,4,6,2,1,3] => 4
[5,4,6,2,3,1] => 4
[5,4,6,3,1,2] => 4
[5,4,6,3,2,1] => 5
[5,6,1,2,3,4] => 2
[5,6,1,2,4,3] => 3
[5,6,1,3,2,4] => 3
[5,6,1,3,4,2] => 3
[5,6,1,4,2,3] => 3
[5,6,1,4,3,2] => 4
[5,6,2,1,3,4] => 3
[5,6,2,1,4,3] => 4
[5,6,2,3,1,4] => 3
[5,6,2,3,4,1] => 3
[5,6,2,4,1,3] => 3
[5,6,2,4,3,1] => 4
[5,6,3,1,2,4] => 3
[5,6,3,1,4,2] => 4
[5,6,3,2,1,4] => 4
[5,6,3,2,4,1] => 4
[5,6,3,4,1,2] => 3
[5,6,3,4,2,1] => 4
[5,6,4,1,2,3] => 3
[5,6,4,1,3,2] => 4
[5,6,4,2,1,3] => 4
[5,6,4,2,3,1] => 4
[5,6,4,3,1,2] => 4
[5,6,4,3,2,1] => 5
[6,1,2,3,4,5] => 2
[6,1,2,3,5,4] => 3
[6,1,2,4,3,5] => 3
[6,1,2,4,5,3] => 3
[6,1,2,5,3,4] => 3
[6,1,2,5,4,3] => 4
[6,1,3,2,4,5] => 3
[6,1,3,2,5,4] => 4
[6,1,3,4,2,5] => 3
[6,1,3,4,5,2] => 3
[6,1,3,5,2,4] => 3
[6,1,3,5,4,2] => 4
[6,1,4,2,3,5] => 3
[6,1,4,2,5,3] => 4
[6,1,4,3,2,5] => 4
[6,1,4,3,5,2] => 4
[6,1,4,5,2,3] => 3
[6,1,4,5,3,2] => 4
[6,1,5,2,3,4] => 3
[6,1,5,2,4,3] => 4
[6,1,5,3,2,4] => 4
[6,1,5,3,4,2] => 4
[6,1,5,4,2,3] => 4
[6,1,5,4,3,2] => 5
[6,2,1,3,4,5] => 3
[6,2,1,3,5,4] => 4
[6,2,1,4,3,5] => 4
[6,2,1,4,5,3] => 4
[6,2,1,5,3,4] => 4
[6,2,1,5,4,3] => 5
[6,2,3,1,4,5] => 3
[6,2,3,1,5,4] => 4
[6,2,3,4,1,5] => 3
[6,2,3,4,5,1] => 3
[6,2,3,5,1,4] => 3
[6,2,3,5,4,1] => 4
[6,2,4,1,3,5] => 3
[6,2,4,1,5,3] => 4
[6,2,4,3,1,5] => 4
[6,2,4,3,5,1] => 4
[6,2,4,5,1,3] => 3
[6,2,4,5,3,1] => 4
[6,2,5,1,3,4] => 3
[6,2,5,1,4,3] => 4
[6,2,5,3,1,4] => 4
[6,2,5,3,4,1] => 4
[6,2,5,4,1,3] => 4
[6,2,5,4,3,1] => 5
[6,3,1,2,4,5] => 3
[6,3,1,2,5,4] => 4
[6,3,1,4,2,5] => 4
[6,3,1,4,5,2] => 4
[6,3,1,5,2,4] => 4
[6,3,1,5,4,2] => 5
[6,3,2,1,4,5] => 4
[6,3,2,1,5,4] => 5
[6,3,2,4,1,5] => 4
[6,3,2,4,5,1] => 4
[6,3,2,5,1,4] => 4
[6,3,2,5,4,1] => 5
[6,3,4,1,2,5] => 3
[6,3,4,1,5,2] => 4
[6,3,4,2,1,5] => 4
[6,3,4,2,5,1] => 4
[6,3,4,5,1,2] => 3
[6,3,4,5,2,1] => 4
[6,3,5,1,2,4] => 3
[6,3,5,1,4,2] => 4
[6,3,5,2,1,4] => 4
[6,3,5,2,4,1] => 4
[6,3,5,4,1,2] => 4
[6,3,5,4,2,1] => 5
[6,4,1,2,3,5] => 3
[6,4,1,2,5,3] => 4
[6,4,1,3,2,5] => 4
[6,4,1,3,5,2] => 4
[6,4,1,5,2,3] => 4
[6,4,1,5,3,2] => 5
[6,4,2,1,3,5] => 4
[6,4,2,1,5,3] => 5
[6,4,2,3,1,5] => 4
[6,4,2,3,5,1] => 4
[6,4,2,5,1,3] => 4
[6,4,2,5,3,1] => 5
[6,4,3,1,2,5] => 4
[6,4,3,1,5,2] => 5
[6,4,3,2,1,5] => 5
[6,4,3,2,5,1] => 5
[6,4,3,5,1,2] => 4
[6,4,3,5,2,1] => 5
[6,4,5,1,2,3] => 3
[6,4,5,1,3,2] => 4
[6,4,5,2,1,3] => 4
[6,4,5,2,3,1] => 4
[6,4,5,3,1,2] => 4
[6,4,5,3,2,1] => 5
[6,5,1,2,3,4] => 3
[6,5,1,2,4,3] => 4
[6,5,1,3,2,4] => 4
[6,5,1,3,4,2] => 4
[6,5,1,4,2,3] => 4
[6,5,1,4,3,2] => 5
[6,5,2,1,3,4] => 4
[6,5,2,1,4,3] => 5
[6,5,2,3,1,4] => 4
[6,5,2,3,4,1] => 4
[6,5,2,4,1,3] => 4
[6,5,2,4,3,1] => 5
[6,5,3,1,2,4] => 4
[6,5,3,1,4,2] => 5
[6,5,3,2,1,4] => 5
[6,5,3,2,4,1] => 5
[6,5,3,4,1,2] => 4
[6,5,3,4,2,1] => 5
[6,5,4,1,2,3] => 4
[6,5,4,1,3,2] => 5
[6,5,4,2,1,3] => 5
[6,5,4,2,3,1] => 5
[6,5,4,3,1,2] => 5
[6,5,4,3,2,1] => 6

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Created: Dec 11, 2015 at 11:05 by Peter Luschny

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Last Updated: Mar 14, 2023 at 13:31 by Tilman Möller