1: (0 5 10)

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

2: (4 21 7)

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

3: (1 5 15)

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

4: (6 11 9)

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