1: (0 2 15)

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

2: (1 18 5)

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

3: (2 17 13)

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

4: (12 16 14)

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