1: (0 4 7)

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

2: (2 21 5)

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

3: (4 13 6)

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

4: (0 5 11)

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