int(7)
00 00 03 03 03 03 03
00 00 07 05 05 03 03
00 11 05 05 05 10 01
00 09 05 05 02 02 01
00 09 09 09 02 02 13
08 04 09 09 02 02 12
08 04 04 04 06 06 06
float(0.0003049373626709)
Array
(
    [0] => Array
        (
            [0] => 0
            [1] => 3
        )

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

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

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

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

    [5] => Array
        (
            [0] => 12
            [1] => 13
        )

    [6] => Array
        (
            [0] => 13
            [1] => 12
        )

)