1: (0 2 15)

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

2: (1 18 5)

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

3: (2 17 12)

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

4: (11 16 14)

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