1: (0 3 15)

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

2: (6 15 18)

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

3: (3 17 13)

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

4: (11 16 14)

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