1: (2 4 18)

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

2: (2 9 16)

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

3: (15 20 17)

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

4: (3 13 5)

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