1. 49-43 2-8 2. 43-39 1-7 3. 50-44 8-12 ... 15 moves

1. 50-45 5-10 2. 49-43 10-15 3. 43-39 15-20 ... 17 moves

1. 49-43 1-7 2. 43-39 3-9 3. 48-43 2-8 ... 17 moves