C222133313331333131123313231333133313331311111211113313331311331323233111211   >>    C22213331333133313112331323133313331333131111121111331333131133132323311121   <<    C222133313331333131123313231333133313331311111211113313331311331323233111213   >>      C222133313331333131123313231333133313331311111211113313331311331323233111212   >>