1: (4 8 11)

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

2: (1 8 20)

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

3: (7 13 9)

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

4: (3 10 5)

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