All your "chapter numbers" are just array values, where the array element can hold a value up to 32767. I don't see what the problem is with putting 11, 12, 13, etc. in the array.
All your "chapter numbers" are just array values, where the array element can hold a value up to 32767. I don't see what the problem is with putting 11, 12, 13, etc. in the array.