1: (0 2 7)

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

2: (1 8 6)

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

3: (2 15 17)

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

4: (13 18 16)

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