They are laid out in long parallel lines, with twelve pairs of small rooms for the legionaries connected to a larger block at the end for the centurion and his staff.
Mae’r barics ochr yn ochr mewn rhesi hir, gyda deuddeg pâr o ystafelloedd bychain ar gyfer y llengfilwyr, ac ystafelloedd mwy ar y pen ar gyfer y canwriad a’i staff.