C13223313311212111133133313331323133313331323131133133313232211331   >>    C1322331331121211113313331333132313331333132313113313331323221133   <<    C13223313311212111133133313331323133313331323131133133313232211333   >>      C13223313311212111133133313331323133313331323131133133313232211332   >>