1: (1 5 8)

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

2: (4 9 6)

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

3: (3 20 8)

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

4: (0 18 2)

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