C13223313311212111133133313331333133313233121333133313331122212331   >>    C1322331331121211113313331333133313331323312133313331333112221233   <<    C13223313311212111133133313331333133313233121333133313331122212333   >>      C13223313311212111133133313331333133313233121333133313331122212332   >>