1: (6 9 15)

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

2: (3 9 17)

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

3: (1 7 5)

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

4: (14 20 16)

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