1: (0 2 6)

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

2: (4 6 18)

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

3: (3 7 5)

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

4: (2 8 6)

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