Figure 3.

Breakpoint graph BG(A, B, C) of genomes A = (1)(2)(3)(4) (red edges), B = (1, 2)(3, 4) (blue edges), and C = (1, -2)(3, -4) (green edges) with the property that no DCJ can decrease ts(A, B, C) by 2.

Aganezov and Alekseyev BMC Bioinformatics 2012 13(Suppl 19):S1   doi:10.1186/1471-2105-13-S19-S1