1: (7 14 18)

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

2: (6 16 8)

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

3: (13 17 15)

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

4: (9 14 19)

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