parate tiers or groups of cells, three of which were accessible via stairs leading up from the common area on the ninth floor (Upper Tiers—G, J, and L Tiers) and three of which were accessible via stairs leading down from the common area on the ninth floor (Lower Tiers—H, K, and M Tiers). The entrance

parate tiers or groups of cells, three of which were accessible via stairs leading up from the common area on the ninth floor (Upper Tiers—G, J, and L Tiers) and three of which were accessible via stairs leading down from the common area on the ninth floor (Lower Tiers—H, K, and M Tiers). The entrance t

parate tiers or groups of cells, three of which were accessible via stairs leading up from the common area on the ninth floor (Upper Tiers—G, J, and L Tiers) and three of which were accessible via stairs leading down from the common area on the ninth floor (Lower Tiers—H, K, and M Tiers). The entrance t

parate tiers or groups of cells, three of which were accessible via stairs leading up from the common area on the ninth floor (Upper Tiers—G, J, and L Tiers) and three of which were accessible via stairs leading down from the common area on the ninth floor (Lower Tiers—H, K, and M Tiers). The entrance t