1: (4 7 20)

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

2: (1 8 6)

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

3: (3 11 5)

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

4: (2 18 7)

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