sentences:  On January 4, 1944, 3rd Army, to the south of the 50th, launched a new offensive in the direction of Bykhov; for this effort the 324th was attached to that Army's 80th Rifle Corps.A daring night raid by ski troops had disrupted the headquarters of the defending German 267th Infantry Division, and 80th Corps quickly penetrated to a depth of 5km before reaching the German Winter Defense Line along the Ukhliast River.The next day the division reverted to 50th Army control, but despite the help of the 110th and 413th Rifle Divisions was unable to crack this new line.