1: (0 1 6)

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

2: (6 17 20)

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

3: (16 21 19)

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

4: (2 18 13)

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