1: (0 3 12)

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

2: (2 18 9)

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

3: (8 14 11)

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

4: (12 19 17)

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