1: (7 10 16)

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

2: (5 12 9)

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

3: (2 8 6)

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

4: (1 4 16)

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