1: (6 8 17)

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

2: (5 10 7)

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

3: (9 18 16)

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

4: (4 12 8)

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