C13223313311212111133133313331333132313231323133313113313232113313331333223331   >>    C1322331331121211113313331333133313231323132313331311331323211331333133322333   <<    C13223313311212111133133313331333132313231323133313113313232113313331333223333   >>      C13223313311212111133133313331333132313231323133313113313232113313331333223332   >>