IF THE WALL (ATTACK) BY ENEMIES, THE SOLDIERS AT THE TURRETS (RUN)...

12. - ON THI DAI HOC TIENG ANH CO DAP AN
ON THI DAI HOC TIENG ANH CO DAP AN

12. If the Wall (attack)

by enemies, the soldiers at the turrets (run)

to the nearest milecastle for help or (light)

a fire that (can / see)

by the soldiers in the milecastle.