C222133313331333131123313231333133313331333132112312132313223311   >>    C22213331333133313112331323133313331333133313211231213231322331   <<    C222133313331333131123313231333133313331333132112312132313223313   >>      C222133313331333131123313231333133313331333132112312132313223312   >>