Nb de colonnes 22
Array
(
    [0] => Array
        (
            [0] => a
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [1] => Array
        (
            [0] => b
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [2] => Array
        (
            [0] => c
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [3] => Array
        (
            [0] => d
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [4] => Array
        (
            [0] => e
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [5] => Array
        (
            [0] => f
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [6] => Array
        (
            [0] => g
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [7] => Array
        (
            [0] => h
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [8] => Array
        (
            [0] => i
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [9] => Array
        (
            [0] => j
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [10] => Array
        (
            [0] => k
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [11] => Array
        (
            [0] => l
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [12] => Array
        (
            [0] => m
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [13] => Array
        (
            [0] => n
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [14] => Array
        (
            [0] => o
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [15] => Array
        (
            [0] => p
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [16] => Array
        (
            [0] => q
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [17] => Array
        (
            [0] => r
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [18] => Array
        (
            [0] => s
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [19] => Array
        (
            [0] => t
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [20] => Array
        (
            [0] => u
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

    [21] => Array
        (
            [0] => v
            [1] => 
            [2] => 
            [3] => 
            [4] => 
            [5] => 
            [6] => 
        )

)
---> a -- b -- c
---> -- --
---> -- --
---> -- --
---> -- --
---> -- --
---> -- --





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