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Source: 
p. 9, b. 68-76
p. 1
p. 2
p. 3, b. 1-8
p. 4, b. 9-17
p. 5, b. 18-26
p. 6, b. 27-35
p. 7, b. 36-57
p. 8, b. 58-67
p. 9, b. 68-76
p. 10, b. 77-87
PE - First Polish Edition
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PE - First Polish Edition
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  b. 74

PE lacks the  lowering a3 into a3 in the 2nd group of demisemiquavers. The engraver's error (or maybe an error of Chopin himself) is indicated by a  in all remaining sources and the use of a notes in adjacent bars.

Compare the passage in the sources »

category imprint: Differences between sources

issues: Errors in PE

notation: Pitch