1: (0 6 11)

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

2: (4 21 7)

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

3: (1 6 15)

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

4: (3 7 5)

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