1: (2 7 12)

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

2: (6 14 8)

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

3: (2 7 12)

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

4: (10 17 13)

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