C222133313331333131123313231333133313331323212331333132313311232323311   >>    C22213331333133313112331323133313331333132321233133313231331123232331   <<    C222133313331333131123313231333133313331323212331333132313311232323313   >>      C222133313331333131123313231333133313331323212331333132313311232323312   >>