C13332313311211113313331333133313331323132233133313232213223231   >>    C1333231331121111331333133313331333132313223313331323221322323   <<    C13332313311211113313331333133313331323132233133313232213223233   >>      C13332313311211113313331333133313331323132233133313232213223232   >>