1: (6 13 15)

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

2: (12 20 14)

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

3: (3 15 11)

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

4: (2 7 4)

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