BO
1. 23-19 12-18 (1... 12-17 2. 28-23) 2. 42-37 18-23 3. 19-14 23-29 4. 14-09 29-34 5. 09-03 34-39 6. 03-17 39-43 (6... 39-44 7. 17-11) 7. 17-21