| 9 10 | | | |  | 1. | | | | | | | 0.5 ～1 2 ～ 3 | 10 15 3 | | |  | 2. | | | | | 1 ～ 2 30 ～ 40 | 30 | | | | 12 | |  | 3. | | | | | | |  | 4. | | | | | | |
