1: (7 12 15)

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

2: (5 13 11)

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

3: (7 12 15)

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

4: (3 9 6)

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