C222133313331333131123313231333133313331323212331333132313331322223313331233121   >>    C22213331333133313112331323133313331333132321233133313231333132222331333123312   <<    C222133313331333131123313231333133313331323212331333132313331322223313331233123   >>      C222133313331333131123313231333133313331323212331333132313331322223313331233122   >>