1: (1 9 18)

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

2: (9 12 16)

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

3: (8 13 11)

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

4: (14 19 17)

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