The following example shows verbose output of ddcutil detect command on a system with 4 monitors attached.
+0040   45 00 13 2b 21 00 00 1e 00 00 00 fd 00 32 4c 1e   E..+!........2L.
+0040   36 00 06 44 21 00 00 1a 00 00 00 fd 00 38 4c 1e   6..D!........8L.
+0020   0e 50 54 a5 4b 00 71 4f 81 00 81 80 a9 40 d1 00   .PT.K.qO.....@..