The buildings are almost exclusively built with two naves .
The buildings are almost exclusively have lengths of 4 -- 11 meters ( 13 -- 36 ft ) and widths from 3.5 -- 5.5 meters ( 11 -- 18 ft ) .
The buildings are almost exclusively built with two naves and have lengths of 4 -- 11 meters ( 13 -- 36 ft ) and widths from 3.5 -- 5.5 meters ( 11 -- 18 ft ) .