1: (6 9 12)

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

2: (8 13 11)

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

3: (6 9 12)

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

4: (3 10 7)

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