Identification of inversions.

<p>(a) Two breakpoints from the same inversion are broken into two clusters <i>C</i><sub>1</sub> and <i>C</i><sub>2</sub> owing to the intersection strategy; (b) The longer inverted region has been observed on the original chromosome; therefore, the final inverted region of <i>r</i><sub>1</sub> is ranged from to on reference.</p>