1: (6 18 20)

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

2: (5 19 7)

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

3: (2 4 20)

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

4: (1 9 3)

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