1: (0 10 12)

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

2: (9 14 11)

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

3: (7 18 12)

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

4: (13 19 17)

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