Punch through the center, yao

[Parallel Pain]

No according to Goldsworthy the African came in and attacked the troops that came through the center from two sides, effectively containing the breech and at the same time outflanking the Romans. Mago and Hannibal were then able to rally the Gauls and throw them back into the fight, surrounding the Romans that had broken through on three sides.

But remember Hannibal had left reserves to this purpose.