1: (6 9 12)

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

2: (3 11 8)

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

3: (6 9 12)

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

4: (5 14 7)

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