C13332313311211113313331333133313331323132233133313331333133313232233123331   >>    C1333231331121111331333133313331333132313223313331333133313331323223312333   <<    C13332313311211113313331333133313331323132233133313331333133313232233123333   >>      C13332313311211113313331333133313331323132233133313331333133313232233123332   >>