1: (2 16 18)

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

2: (13 20 17)

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

3: (1 18 4)

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

4: (3 15 5)

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