int(4)
02 02 02 13 06 06 09
02 02 04 04 06 09 09
04 04 04 05 05 09 09
04 08 08 11 05 05 09
04 10 08 11 12 03 07
04 10 01 01 01 07 07
04 10 01 01 01 00 00
float(0.00029802322387695)
Array
(
    [0] => Array
        (
            [0] => 3
            [1] => 12
        )

    [1] => Array
        (
            [0] => 8
            [1] => 10
        )

    [2] => Array
        (
            [0] => 10
            [1] => 8
        )

    [3] => Array
        (
            [0] => 12
            [1] => 3
        )

)