1: (2 4 16)

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

2: (1 8 3)

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

3: (2 6 18)

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

4: (5 10 7)

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