1: (9 11 15)

(0 5 3)(1 20 17)(2 10 8)(4 11 18 15 6)(7 14 12)(9)(13 19 16)

2: (4 11 18)

(0 5 3)(1 20 17)(2 10 8)(4 15 6)(7 14 12)(9)(11)(13 19 16)(18)

3: (2 10 8)

(0 5 3)(1 20 17)(2)(4 15 6)(7 14 12)(8)(9)(10)(11)(13 19 16)(18)

4: (0 5 3)

(0)(1 20 17)(2)(3)(4 15 6)(5)(7 14 12)(8)(9)(10)(11)(13 19 16)(18)