C222133313331333131123313231333133313331313113313233313231322311   >>    C22213331333133313112331323133313331333131311331323331323132231   <<    C222133313331333131123313231333133313331313113313233313231322313   >>      C222133313331333131123313231333133313331313113313233313231322312   >>