Array
(
    [0] => 1
    [1] => 3
    [2] => 4
    [3] => 5
    [4] => 6
    [5] => 7
    [6] => 8
    [7] => 9
    [8] => 10
    [9] => 11
)
Array
(
    [0] => 2
    [1] => 3
    [2] => 4
)