1: (1 5 16)

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

2: (2 18 6)

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

3: (15 20 17)

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

4: (1 12 3)

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