1: (3 6 12)

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

2: (1 7 5)

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

3: (0 4 2)

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

4: (6 13 8)

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