int(8)
10 10 10 07 07 11 11
10 10 04 04 02 01 01
10 10 13 04 02 01 01
12 14 04 04 02 01 01
12 00 04 09 09 01 05
06 00 06 06 09 03 05
06 06 06 08 08 08 08
float(0.00038290023803711)
Array
(
    [0] => Array
        (
            [0] => 0
            [1] => 12
        )

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

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

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

    [4] => Array
        (
            [0] => 7
            [1] => 11
        )

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

    [6] => Array
        (
            [0] => 11
            [1] => 7
        )

    [7] => Array
        (
            [0] => 12
            [1] => 0
        )

)