1: (1 7 10)

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

2: (5 14 8)

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

3: (1 7 10)

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

4: (9 17 11)

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