c_cpp/lib/htslib/test/md#1.sam

   1 @HD     VN:1.0  SO:coordinate
   2 @SQ     SN:a    LN:40
   3 x       0       a       1       255     40M     *       0       0       AAAAAAAAAACCCCCCCCYNNRGGGGGGGGTTTTTTTTTT        *       NM:i:2  MD:Z:19N0N19
   4 x*      0       a       1       255     40M     *       0       0       CAAAAAAAANNCCCCCCCYNNRGGGGGGGGTTTTTTTTTC        *       NM:i:6  MD:Z:0A8A0C8N0N18T0
   5 xIP     0       a       1       255     1I10M1I10M2I10M2P3I2P10M1I      *       0       0       NAAAAAAAAAAGCCCCCCCCCCAAGGGGGGGGGGCCCTTTTTTTTTTN        *       NM:i:12 MD:Z:18Y0N0N0R18
   6 xIP*    0       a       1       255     1I10M1I10M2I10M2P3I2P10M1I      *       0       0       NCAAAAAAAAAGCCCCCCCCCCAAGGGGGGGGGACCCATTTTTTTTCN        *       NM:i:16 MD:Z:0A17Y0N0N0R7G0T8T0
   7 xD      0       a       1       255     9M1D8M2D7M3D6M  *       0       0       AAAAAAAAACCCCCCYNNRGGGGGTTTTTT  *       NM:i:9  MD:Z:9^A6C0C0^YN0N6^GGG6
   8 xD*     0       a       1       255     9M1D8M2D7M3D6M  *       0       0       CAAAAAAANNCCCCCCTTGGGGGGTTTTTA  *       NM:i:13 MD:Z:0A7A0^A0C6C0^YN0N0R5^GGG5T0
   9 xN      0       a       1       255     10M20N10M       *       0       0       AAAAAAAAAATTTTTTTTTT    *       NM:i:0  MD:Z:20
  10 xN*     0       a       1       255     10M20N10M       *       0       0       CAAAAAAACCAATTTTTTTA    *       NM:i:6  MD:Z:0A7A0A0T0T7T0
  11 xS      0       a       11      255     5H10S20M10S5H   *       0       0       AAAAAAAAAACCCCCCCCYNNRGGGGGGGGTTTTTTTTTT        *       NM:i:2  MD:Z:9N0N9
  12 xS*     0       a       11      255     5H10S20M10S5H   *       0       0       CAAAATAAAACCCCCCCCYNNRGGGGGGGGTTTTATTTTC        *       NM:i:2  MD:Z:9N0N9