There is confusion among Russian online sources as to whether N1-L3 (Russian: Н1-Л3) or N1-LZ (Russian: Н1-ЛЗ) was intended, because of the similarity of the Cyrillic letter Ze for "Z" and the numeral "3".
Ada kerancuan di sumber-sumber internet Rusia perihal apakah yang dimaksud adalah N1-L3 (Rusia: Н1-Л3) atau N1-LZ (Rusia: Н1-ЛЗ), Karena huruf Kiril "Ze" untuk "Z" sangat mirip angka "3".