1: (2 11 18)

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

2: (1 14 3)

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

3: (2 11 18)

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

4: (9 16 12)

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