This is just checking a section of Tischendorf p. xxxviii
https://books.google.com/books?id=HRU_AQAAMAAJ&pg=RA2-PA11
very strange
Restant exempla lectionum tertii genens, quas Sinaiticus sine ullo sodo tuetor. In his magnum est bonitatis discrimen. Sunt enim quae invitis omnibus maxima...