1: (2 6 11)

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

2: (5 13 8)

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

3: (2 6 11)

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

4: (10 17 12)

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