1: (9 12 17)

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

2: (5 13 11)

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

3: (9 12 17)

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

4: (7 14 10)

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