1: (1 7 12)

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

2: (6 14 8)

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

3: (1 7 12)

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

4: (10 16 13)

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