0, 1, 2, 3, 4, 5, 6, 7, 8, 9.	|classes


s#1 : 1, 2, 3, 4
c#1 : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
s#2 : 1, 2, 3, 4
c#2 : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
s#3 : 1, 2, 3, 4
c#3 : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
s#4 : 1, 2, 3, 4
c#4 : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
s#5 : 1, 2, 3, 4
c#5 : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13