Small contigs. An example of a region in containing smaller contigs. There are 5 possible paths to connect c1 and c6. The highest scoring one is [c1,c4,c5,c6], with , giving π
= 34 and it is the selected path between c1 and c6. In this path the good edges are represented as solid lines and bad edges are represented as dotted lines. A lower-score alternative is [c1,c2,c4,c5,c6] with (g(c
))=(47,18), giving π
= 29. c2 is a problematic contig that can be chimeric or consists of repeated sequence(s). The three remaining paths, all of them with negative score, are [c1,c2,c3,c8,c6],[c1,c4,c6],[c1,c2,c4,c6].