1: (0 1 17)

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

2: (6 17 21)

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

3: (2 19 16)

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

4: (1 20 17)

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