1. 49-43 1-7 2. 47-42 7-11 3. 42-37 11-17 ... 20 moves

1. 48-43 1-7 2. 50-45 7-12 3. 45-40 2-8 ... 16 moves

1. 47-42 3-8 2. 46-41 8-12 3. 41-37 12-18 ... 11 moves