1: (0 3 21)

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

2: (1 8 15)

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

3: (7 18 13)

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

4: (2 20 17)

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