1: (6 9 16)

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

2: (5 10 7)

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

3: (3 11 9)

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

4: (2 15 4)

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