1: (7 11 18)

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

2: (6 12 10)

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

3: (4 15 11)

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

4: (14 20 17)

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