1: (4 6 12)

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

2: (2 7 5)

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

3: (3 13 11)

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

4: (6 20 8)

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