⇣ irrcrc ⇣irr100crc00123irr500crc00617irr1000crc01233irr2000crc02466irr5000crc06165irr10000crc123⇣ irrcrc ⇣irr1,00000crc1233irr5,00000crc6165irr10,00000crc12330irr25,00000crc30826irr50,00000crc61652irr100,00000crc1,23305