In FE Chopin omitted the accidentals to the top notes of the b2-b3 octaves in bars 177-178 and the e1-e2 octaves in bar 178 (broken or simultaneous). The necessary accidentals were added only in GE and only in the R.H.
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issues: Accidentals in different octaves, Inaccuracies in FE, GE revisions, Errors repeated in GE, Errors repeated in EE
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