C222133313331333131123313231333133313331333132213331333131122212312121   >>    C22213331333133313112331323133313331333133313221333133313112221231212   <<    C222133313331333131123313231333133313331333132213331333131122212312123   >>      C222133313331333131123313231333133313331333132213331333131122212312122   >>