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

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