1: (0 4 6)

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

2: (2 20 4)

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

3: (3 8 5)

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

4: (2 18 6)

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