C13223313311212111133133313331333133313232233131211331313233331   >>    C1322331331121211113313331333133313331323223313121133131323333   <<    C13223313311212111133133313331333133313232233131211331313233333   >>      C13223313311212111133133313331333133313232233131211331313233332   >>