Array
(
[0] => 0 a
[1] => 0 b
[2] => 1 a
[3] => 0 c
[4] => 1 b
[5] => 2 a
[6] => 0 d
[7] => 1 c
[8] => 2 b
[9] => 3 a
[10] => 0 e
[11] => 0 f
[12] => 1 d
[13] => 2 c
[14] => 3 b
[15] => 4 a
[16] => 1 e
[17] => 1 f
[18] => 2 d
[19] => 3 c
[20] => 4 b
[21] => 5 a
[22] => 2 e
[23] => 2 f
[24] => 3 d
[25] => 4 c
[26] => 5 b
[27] => 6 a
[28] => 3 e
[29] => 3 f
[30] => 4 d
[31] => 5 c
[32] => 6 b
[33] => 7 a
[34] => 4 e
[35] => 4 f
[36] => 5 d
[37] => 6 c
[38] => 7 b
[39] => 8 a
[40] => 9 a
[41] => 5 e
[42] => 5 f
[43] => 6 d
[44] => 7 c
[45] => 8 b
[46] => 9 b
[47] => 6 e
[48] => 6 f
[49] => 7 d
[50] => 8 c
[51] => 9 c
[52] => 7 e
[53] => 7 f
[54] => 8 d
[55] => 9 d
[56] => 8 e
[57] => 8 f
[58] => 9 e
[59] => 9 f
)