1: (0 2 6)

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

2: (4 6 21)

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

3: (3 7 5)

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

4: (2 8 6)

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