int(8)
00 00 00 00 06 06 10
00 00 09 09 02 06 06
00 00 09 02 02 08 06
04 04 04 04 06 06 06
04 04 14 04 11 11 11
07 03 05 05 05 01 01
07 13 05 05 05 12 01
float(0.00029516220092773)
Array
(
    [0] => Array
        (
            [0] => 0
            [1] => 6
        )

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

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

    [3] => Array
        (
            [0] => 3
            [1] => 13
        )

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

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

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

    [7] => Array
        (
            [0] => 13
            [1] => 3
        )

)