C13223313311212111133133313331333133313233121333133313331311312111133223111   >>    C1322331331121211113313331333133313331323312133313331333131131211113322311   <<    C13223313311212111133133313331333133313233121333133313331311312111133223113   >>      C13223313311212111133133313331333133313233121333133313331311312111133223112   >>