C111112111133131121133133313331312111133132313113313232213223313231322321   >>    C11111211113313112113313331333131211113313231311331323221322331323132232   <<    C111112111133131121133133313331312111133132313113313232213223313231322323   >>      C111112111133131121133133313331312111133132313113313232213223313231322322   >>