Define Class - Sub Class

#	Domin	Class	Sub Class
1	Domin 1	A Class	A1 Class
2	Domin 2	B Class	B1 Class
3	Domin 3	C Class	C1 Class
4	Domin 4	D Class	D1 Class
5	Domin 5	E Class	E1 Class
6	Domin 6	F Class	F1 Class
7	Domin 7	G Class	G1 Class