1: (6 8 11)

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

2: (7 14 9)

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

3: (6 8 11)

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

4: (10 16 12)

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