C13223313311212111133133313331333133313232233133313231333131121111   >>    C1322331331121211113313331333133313331323223313331323133313112111   <<    C13223313311212111133133313331333133313232233133313231333131121113   >>      C13223313311212111133133313331333133313232233133313231333131121112   >>