C222133313331333131123313231333133313331333132112323133313231333131223213312111   >>    C22213331333133313112331323133313331333133313211232313331323133313122321331211   <<    C222133313331333131123313231333133313331333132112323133313231333131223213312113   >>      C222133313331333131123313231333133313331333132112323133313231333131223213312112   >>