1: (6 8 15)

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

2: (2 9 7)

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

3: (4 15 12)

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

4: (3 18 5)

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