1: (0 1 6)

(0)(1 21 6 20 8 5 3)(2 18 4)(7 16 14 11 9)(10 13 12)(15 19 17)

2: (3 6 20)

(0)(1 21 6)(2 18 4)(3 8 5)(7 16 14 11 9)(10 13 12)(15 19 17)(20)

3: (2 18 4)

(0)(1 21 6)(2)(3 8 5)(4)(7 16 14 11 9)(10 13 12)(15 19 17)(18)(20)

4: (3 8 5)

(0)(1 21 6)(2)(3)(4)(5)(7 16 14 11 9)(8)(10 13 12)(15 19 17)(18)(20)