1: (1 17 20)

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

2: (1 5 8)

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

3: (4 9 6)

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

4: (3 20 8)

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