1: (6 9 15)

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

2: (5 10 8)

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

3: (1 12 9)

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

4: (3 16 14)

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