1: (1 4 9)

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

2: (3 18 5)

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

3: (2 4 15)

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

4: (14 20 17)

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