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