1: (6 9 16)

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

2: (7 18 10)

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

3: (15 19 17)

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

4: (6 14 8)

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