C13223313311212111133133313331333133313233121333133313331121123231   >>    C1322331331121211113313331333133313331323312133313331333112112323   <<    C13223313311212111133133313331333133313233121333133313331121123233   >>      C13223313311212111133133313331333133313233121333133313331121123232   >>