1: (0 4 17)

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

2: (2 19 6)

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

3: (15 20 18)

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

4: (1 8 17)

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