1: (4 6 8)

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

2: (0 6 18)

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

3: (1 20 15)

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

4: (3 17 5)

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