 Complete the following phrase:  The operations in central and northern European Russia began with the conclusion of the Moscow counter-offensive almost simultaneously with the OboyanKursk Offensive Operation 3 January 1942  26 January 1942, the Lyuban Offensive Operation 7 January 1942  30 April 1942, the Demyansk Offensive Operation 7 January 1942  20 May 1942, the OrelBolkhov Offensive Operation 8 January 1942  28 April 1942, and the Rzhev-Vyazma Strategic Offensive Operation 8 January 1942  20 April 1942. not to be confused with 