1: (1 10 18)

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

2: (1 5 8)

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

3: (2 20 6)

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

4: (7 15 9)

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