1: (1 10 18)

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

2: (5 8 18)

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

3: (2 9 7)

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

4: (4 12 6)

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