1: (0 1 17)

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

2: (6 17 21)

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

3: (4 18 11)

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

4: (1 20 17)

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