C13223313311212111133133313331323133313331323131133133313232213311   >>    C1322331331121211113313331333132313331333132313113313331323221331   <<    C13223313311212111133133313331323133313331323131133133313232213313   >>      C13223313311212111133133313331323133313331323131133133313232213312   >>