C13223313311212111133133313331333133313232233131133132313211321   >>    C1322331331121211113313331333133313331323223313113313231321132   <<    C13223313311212111133133313331333133313232233131133132313211323   >>      C13223313311212111133133313331333133313232233131133132313211322   >>