1: (8 15 20)

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

2: (7 17 9)

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

3: (14 19 16)

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

4: (6 11 15)

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