1: (0 5 9)

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

2: (2 14 7)

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

3: (1 20 4)

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

4: (0 21 3)

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