1: (8 12 17)

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

2: (6 14 11)

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

3: (8 12 17)

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

4: (7 20 9)

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