1: (0 2 6)

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

2: (4 6 21)

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

3: (3 9 5)

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

4: (2 17 6)

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