1: (0 2 7)

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

2: (4 7 21)

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

3: (3 9 6)

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

4: (2 20 7)

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