!LAUNCH: crac -i ${abs_top_builddir:-../..}/test_f/bug/bug-15672-genome -r bug-15672-read.fa -k 22 -o ${abs_top_builddir:-../..}/test_f/bug/bug-15672.sam --detailed-sam
!OUTPUT_FILE: ${abs_top_builddir:-../..}/test_f/bug/bug-15672.sam
!OUTPUT_DIR: ${abs_top_builddir:-../..}/test_f/bug

$Bug 15672: there is a negative value for the M letter (which appears as a large positive number)
3:^r[1-3].* 67S33M

