1: (0 1 8)

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

2: (6 8 21)

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

3: (5 9 7)

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

4: (1 19 8)

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