Table 1.

Nine types of paths in the adjacent graph.

No.	Length of path	In the same set	In the same adjacency	Type
1	Odd	Y	Y	–
2	Odd	Y	N	–
3	Odd	N	Y	–
4	Odd	N	N	Poor-1
5	Even	Y	Y	Poor-2
6	Even	Y	N	Good
7	Even	N	Y	–
8	Even	N	N	–
9	Even	N	N	Circle