1: (0 2 4)

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

2: (1 5 3)

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

3: (2 15 17)

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

4: (13 18 16)

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