C222133313331333131123313231333133313331333132213331313311331333123311   >>    C22213331333133313112331323133313331333133313221333131331133133312331   <<    C222133313331333131123313231333133313331333132213331313311331333123313   >>      C222133313331333131123313231333133313331333132213331313311331333123312   >>