| easy | 00 |
| easy | 01 |
| easy | 02 |
| easy | 03 |
| easy | 04 |
| easy | 05 |
| easy | 06 |
| easy | 07 |
| easy | 08 |
| easy | 09 |
| easy | 0A |
| easy | 0B |
| easy | 0C |
| easy | 0D |
| easy | 0E |
| easy | 0F |
| easy | 10 |
| easy | 11 |
| easy | 12 |
| easy | 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 |
| intermediate | 25 |
| intermediate | 26 |
| intermediate | 27 |
| intermediate | 28 |
| intermediate | 29 |
| intermediate | 2A |
| intermediate | 2B |
| intermediate | 2C |
| intermediate | 2D |
| intermediate | 2E |
| intermediate | 2F |
| intermediate | 30 |
| intermediate | 31 |
| medium | 32 |
| medium | 33 |
| medium | 34 |
| medium | 35 |
| medium | 36 |
| medium | 37 |
| medium | 38 |
| medium | 39 |
| medium | 3A |
| medium | 3B |
| medium | 3C |
| medium | 3D |
| medium | 3E |
| medium | 3F |
| medium | 40 |
| medium | 41 |
| medium | 42 |
| medium | 43 |
| medium | 44 |
| medium | 45 |
| medium | 46 |
| medium | 47 |
| medium | 48 |
| medium | 49 |
| medium | 4A |
| medium | 4B |
| medium | 4C |
| medium | 4D |
| medium | 4E |
| medium | 4F |
| hard | 50 |
| hard | 51 |
| hard | 52 |
| hard | 53 |
| hard | 54 |
| hard | 55 |
| hard | 56 |
| challenging | 57 |
| challenging | 58 |