C13223313311212111133133313331333133313232233133313333132322232131   >>    C1322331331121211113313331333133313331323223313331333313232223213   <<    C13223313311212111133133313331333133313232233133313333132322232133   >>      C13223313311212111133133313331333133313232233133313333132322232132   >>