[11] 1
[15] 1
[17] 1
[19] 1
[21] 1
[23] 2
[25] 1
[27] 2
[29] 2
[31] 2
[33] 2
[35] 3
[37] 2
[39] 3
[41] 3
[43] 3
[45] 3
[47] 4
[49] 3