1: (0 2 5)

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

2: (3 5 8)

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

3: (4 21 6)

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

4: (5 10 7)

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