1: (10 11 17)

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

2: (2 6 11)

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

3: (1 7 5)

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

4: (6 17 8)

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