C222133313331333131123313231333133313331323212331333133313223333111   >>    C22213331333133313112331323133313331333132321233133313331322333311   <<    C222133313331333131123313231333133313331323212331333133313223333113   >>      C222133313331333131123313231333133313331323212331333133313223333112   >>