1: (3 6 12)

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

2: (1 7 5)

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

3: (6 20 9)

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

4: (4 13 11)

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