1: (5 7 12)

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

2: (6 14 8)

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

3: (5 7 12)

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

4: (10 16 13)

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