C13223313311212111133133313331333133313232233133313311211112233231   >>    C1322331331121211113313331333133313331323223313331331121111223323   <<    C13223313311212111133133313331333133313232233133313311211112233233   >>      C13223313311212111133133313331333133313232233133313311211112233232   >>