int(7)
10 00 04 04 04 04 04
02 06 04 04 08 03 03
06 06 09 09 08 08 03
06 06 01 01 07 07 07
11 05 05 01 01 01 07
11 05 05 05 05 01 01
11 05 12 05 05 01 01
float(0.00026297569274902)
Array
(
    [0] => Array
        (
            [0] => 0
            [1] => 10
        )

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

    [2] => Array
        (
            [0] => 2
            [1] => 10
        )

    [3] => Array
        (
            [0] => 3
            [1] => 8
        )

    [4] => Array
        (
            [0] => 5
            [1] => 1
        )

    [5] => Array
        (
            [0] => 8
            [1] => 3
        )

    [6] => Array
        (
            [0] => 10
            [1] => 0
        )

)