⇣ nprclf ⇣npr100clf00003npr500clf00013npr1000clf00025npr2000clf00051npr5000clf00127npr10000clf00254⇣ nprclf ⇣npr1,00000clf02538npr5,00000clf127npr10,00000clf254npr25,00000clf635npr50,00000clf1269npr100,00000clf2538