1: (2 8 15)

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

2: (7 17 9)

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

3: (14 18 16)

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

4: (6 10 15)

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