C1111233131211111211113313231333133313331323331333131133231322331   >>    C111123313121111121111331323133313331333132333133313113323132233   <<    C1111233131211111211113313231333133313331323331333131133231322333   >>      C1111233131211111211113313231333133313331323331333131133231322332   >>