Array
(
    [0] => 0
    [1] => 7
    [2] => 5
    [3] => 5
    [4] => 4
    [5] => 2
    [6] => 9
)

Array
(
    [0] => 0
    [1] => 2
    [2] => 4
    [3] => 5
    [4] => 5
    [5] => 7
    [6] => 9
)