1: (2 7 11)

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

2: (6 20 8)

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

3: (2 7 11)

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

4: (1 10 5)

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