| 2.1: 4,6 |
| 2.2: 5, 7, 12, 14, 16, 23, 24 |
| 2.3: 1(a,b,c,e), 4, 5, 12, 14, 16, 23, 34, 36, 39, 40 |
| 2.4: 2, 13, 15, 18, 19, 22, 26, 30 |
| 2.5: 5, 5, 10, 13, 17, 20, 21, 31, 37, 45, 49, 50 |
| 2.6: 15, 16, 18, 20, 24, 49, 50 |
| 3.9: 4, 11, 12, 13 |
| 3.11: 7, 8, 10, 11 |
| 4.1: 29-44 (even), 47-62 (even) |
| 4.2: 15-24 (even) |