Figure 1From: Sorting by reversals and block-interchanges with various weight assignmentsThe breakpoint graph BP ( π ) of the permutation π , in which black edges are represented as solid lines and gray edges as dashed lines. The gray edge (4, 5) is oriented whereas (2, 3) is unoriented. In addition, there are two components C1 and C2, in which the former is a hurdle.Back to article page