| easy | 00 |
| easy | 01 |
| easy | 02 |
| easy | 03 |
| easy | 04 |
| easy | 05 |
| easy | 06 |
| easy | 07 |
| easy | 08 |
| easy | 09 |
| easy | 0A |
| easy | 0B |
| intermediate | 0C |
| intermediate | 0D |
| intermediate | 0E |
| intermediate | 0F |
| intermediate | 10 |
| intermediate | 11 |
| intermediate | 12 |
| intermediate | 13 |
| intermediate | 14 |
| intermediate | 15 |
| intermediate | 16 |
| intermediate | 17 |
| intermediate | 18 |
| intermediate | 19 |
| intermediate | 1A |
| intermediate | 1B |
| intermediate | 1C |
| intermediate | 1D |
| intermediate | 1E |
| intermediate | 1F |
| intermediate | 20 |
| intermediate | 21 |
| intermediate | 22 |
| intermediate | 23 |
| intermediate | 24 |
| medium | 25 |
| medium | 26 |
| medium | 27 |
| medium | 28 |
| medium | 29 |
| medium | 2A |
| medium | 2B |
| medium | 2C |
| medium | 2D |
| medium | 2E |
| medium | 2F |
| medium | 30 |
| hard | 31 |
| hard | 32 |