C13223313311212111133133313331333133313232233131333132331123223331   >>    C1322331331121211113313331333133313331323223313133313233112322333   <<    C13223313311212111133133313331333133313232233131333132331123223333   >>      C13223313311212111133133313331333133313232233131333132331123223332   >>