1: (2 6 12)

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

2: (5 14 7)

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

3: (2 6 12)

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

4: (9 16 13)

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