1: (1 10 13)

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

2: (9 18 11)

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

3: (12 20 15)

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

4: (6 10 14)

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