int(10)
04 04 04 04 15 08 08
16 16 11 17 15 08 06
13 13 14 00 00 05 06
18 10 14 03 03 03 06
07 10 09 09 01 01 06
07 07 09 09 02 02 02
12 12 09 09 02 02 02
float(0.00064706802368164)
Array
(
    [0] => Array
        (
            [0] => 0
            [1] => 15
        )

    [1] => Array
        (
            [0] => 2
            [1] => 9
        )

    [2] => Array
        (
            [0] => 9
            [1] => 2
        )

    [3] => Array
        (
            [0] => 10
            [1] => 14
        )

    [4] => Array
        (
            [0] => 11
            [1] => 17
        )

    [5] => Array
        (
            [0] => 13
            [1] => 14
        )

    [6] => Array
        (
            [0] => 14
            [1] => 0
        )

    [7] => Array
        (
            [0] => 15
            [1] => 0
        )

    [8] => Array
        (
            [0] => 16
            [1] => 13
        )

    [9] => Array
        (
            [0] => 17
            [1] => 11
        )

)