| Level 2: | AAJIGDDC | Level 3: | GGHDGGDG |
| Level 4: | HDICICII | Level 5: | IDHEHDGCC |
| Level 6: | IJIIDIHEC | Level 7: | CFDFEFEFJ |
| Level 8: | JIJIIIIC | Level 9: | AAAABAAAA |
| Level 10: | CCGDGBBBB | Level 11: | HHIAAJJIG |
| Level 12: | GGDDJJHFD | Level 13: | JIECBFGFF |
| Level 14: | HGGEDDCCB | Level 15: | HHHGFGDCC |
| Level 16: | IHDCHGHFF |