 Meanwhile, the Numeri on the left and right rear would be drawn up in their standard formation facing the flanks and ready to attack the pursuing enemy as they crossed their lines.The foes would be forced to stop and fight this unexpected threat but as they did the flanking Numeri would halt their retreat, turn around and charge at full speed into their former pursuers.The enemy, weakened, winded and caught in a vice between two mounted phalanxes would break with the Numeri they once pursued now chasing them.