3 10 | | | | | | | | | | | 3 9 12 9 123 | | | | | | | | | | | 3 | 5 4 | 2 | | 3 8 7 4 | | | 1. | | 2. | | 3. | | | 4. | | 5. | | 6. | | 3 9 7 | 8 | | 24 | |