C13223313311212111133133313331333133313232233133313331333212312321   >>    C1322331331121211113313331333133313331323223313331333133321231232   <<    C13223313311212111133133313331333133313232233133313331333212312323   >>      C13223313311212111133133313331333133313232233133313331333212312322   >>