⇣ nprclf ⇣npr100clf00003npr500clf00013npr1000clf00026npr2000clf00052npr5000clf00129npr10000clf00258⇣ nprclf ⇣npr1,00000clf02581npr5,00000clf129npr10,00000clf258npr25,00000clf645npr50,00000clf1291npr100,00000clf2581