1: (0 2 6)

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

2: (4 6 21)

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

3: (3 8 5)

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

4: (2 18 6)

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