"x Class a" means the ath class of level x, which includes all class a numbers, and class a-1 numbers, but not a-2 numbers.
1 Class 0
All numbers from 0 to 1
This includes all micronyms
1 Class 1
All numbers from 0 to 10^303 (Centillion)
1 Class 2
All numbers from 1 to 10^10^303
1 Class 3
All numbers from 10^303 to 10^10^10^303
From this point forward, "1 Class a" means all numbers from 10^10^...10^10^303 with a-2 10s to 10^10^...10^10^303 with a 10s
2 Class a
This is the same as Class (Max number of Class a)
2 Class 1 is the same as Class 10^303, which includes all numbers from 10^10^...10^10^303 with Centillion-2 10s to 10^10^...10^10^303 with Centillion 10s
2 Class 2 is the same as Class 10^10^303
and so on
3 Class a
This is the same as 2 Class (Max number of 2 Class a)
3 Class 1 is the same as 2 Class (10^10^...10^10^303 with Centillion 10s)
x Class a = x-1 Class (Max number of x-1 Class a)
[1] Class a = (Max number of a Class a) Class a
[x] Class a = (Max number of [x-1] Class a) Class a
[1] Class a
[1] Class 1 is the same as 10^303 Class 1
[1] Class 2 is the same as (Max number of Class 10^10^303) Class 2
[2] Class a
[2] Class 1 is (Max number of [1] Class 1) Class 1
[2] Class 2 is (Max number of [1] Class 2) Class 2
[1, 1] Class a = [Max number of [a] Class a] Class a
[x, 1] Class a = [Max number of [x-1, 1] Class a] Class a
[1, x] Class a = [Max number of [a, x-1] Class a, x-1] Class a
[x, n] Class a = [Max number of [x-1, n] Class a, n] Class a
[1, 1] Class a
[1, 1] Class 1 = [Max number of [1] Class 1] Class 1
[1, 1] Class 2 = [Max number of [2] Class 2] Class 2
[2, 1] Class 1 = [Max number of [1, 1] Class 1] Class 1
[3, 1] Class 1 = [Max number of [2, 1] Class 1] Class 1
[1, 2] Class 1 = [Max number of [1, 1] Class 1, 1] Class 1
Etc.