1: (7 10 16)

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

2: (5 12 9)

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

3: (7 10 16)

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

4: (2 8 6)

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