1: (0 15 20)

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

2: (0 4 6)

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

3: (3 9 5)

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

4: (2 20 6)

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