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