C13332313311211113313331333133313331323132233133313331333213121331   >>    C1333231331121111331333133313331333132313223313331333133321312133   <<    C13332313311211113313331333133313331323132233133313331333213121333   >>      C13332313311211113313331333133313331323132233133313331333213121332   >>