1: (0 2 6)

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

2: (4 6 21)

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

3: (3 7 5)

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

4: (2 18 6)

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