Figure 3
From: On pairwise distances and median score of three genomes under DCJ
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.