In FE, instead of 
, a 
was misplaced twice – at the beginning of the last group in the L.H. in bar 31 there is c2-e2 instead of c2-e
2, while at the 7th semiquaver in bar 33 there is f2-a2 instead of f2-a2. Both mistakes were corrected in FES, although it is hard to state whether it was Chopin who performed it. In the second place, an erroneous or unclear notation could have been in [A] and in the remaining Stichvorlage manuscripts – in FC one can see a correction from to , while EE1 does not include any sign before this note, which gives the same result as the erroneous in FE.
Compare the passage in the sources»
category imprint: Differences between sources
issues: Annotations in teaching copies, Errors in FE, Errors of A, Annotations in FES
notation: Pitch