sentences:  Once the two nationalist armies, the 6th and the 12th, had joined together, they would travel northward along the Tianjin-Pukou Railway.At dusk on November 24, 1948, the communists launched their full-scale attack in three fronts.In the western front, the 3rd Column of the communist Central China Field Army attacked from Sunding Village (Sundingji, 孫町集), the 1st Column of the communist Central China Field Army attacked from Five Ditch Village (Wugouji, 五溝集), the 2nd Column of the communist Central China Field Army attacked from White Sand Village (Baishaji, 白沙集), and the 6th Column of the communist Central China Field Army attacked from Cao's Market Village (Caoshiji, 曹市集).