 By this time the wings were already engaged, the enemy centre with the main strength of the enemy, the veteran Carthaginians and Africans, had not yet come within range.It did not dare to leave their lines to help the wings for fear of being exposed to the advancing enemy centre.The allied wings of the Carthaginians were pressed by a pincer attack as the Roman cavalry and light infantry turned around and a made an attack on the flanks, while the heavy infantry was charging at the front, trying to detach them from the centre.