The Rebbe Who Ate Cheese On Yom Kippur

The Steipler Gaon related that the Holy Avnei Nezer once learned all 177 [קע"ז] pages of Bava Basra on Yom Kippur night. In the morning he remarked "Baruch Hashem, I 'ate' קע"ז" [in Yiddish kez is cheese].

[Related by Rav Avraham Yeshayahu Kniyevsky Shlita Toldos Yaakov page 114]