1: (3 6 9)

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

2: (5 11 7)

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

3: (3 6 9)

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

4: (1 8 4)

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