1: (7 12 16)

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

2: (5 13 11)

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

3: (2 8 6)

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

4: (10 14 12)

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