1: (0 1 16)

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

2: (5 16 20)

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

3: (9 21 18)

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

4: (2 14 6)

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