1. 16-20

1. 23-18 11-15 2. 18x11 8x15 3. 21-17 9-14 ... 29 moves

1. 18x11 8x15 2. 22-17 6-10 3. 17-13 1-6 ... 26 moves

1. 22-18 10-14 2. 26-22 6-10 3. 22-17 9-13 ... 29 moves

1. 22-17 12-16 2. 25-22 16-20 3. 29-25 9-13 ... 27 moves

1. 22-17 12-16 2. 17-14 9x18 3. 23x14 10x17 ... 20 moves

1. 22-17 11-15 2. 26-22 15-18 3. 22x15 10x19 ... 27 moves

1. 23-18 11-16 2. 18-15 10x19 3. 24x15 16-20 ... 14 moves

1. 22-17 12-16 2. 24-19 16-20 3. 17-14 9x18 ... 30 moves

1. 24-19 11-16 2. 27-24 16-20 3. 23-18 20x27 ... 13 moves

1. 22-17 9-13 2. 17-14 10x17 3. 21x14 11-15 ... 15 moves

1. 24-20 11-15 2. 23-18 8-11 3. 27-23 9-14 ... 30 moves