Array
(
    [0] => 3
    [1] => 2
    [2] => 1
    [3] => 6
    [4] => 11
    [5] => 16
    [6] => 21
    [7] => 26
    [8] => 27
    [9] => 28
    [10] => 23
    [11] => 22
    [12] => 17
    [13] => 18
    [14] => 13
    [15] => 12
    [16] => 7
    [17] => 8
    [18] => 9
    [19] => 4
    [20] => 5
    [21] => 10
    [22] => 15
    [23] => 14
    [24] => 19
    [25] => 20
    [26] => 25
    [27] => 24
    [28] => 29
    [29] => 30
)