In this case, Hashirama of Maguchi (width) is referred to as 'Ken' and that of Okuyuki (depth) as 'Men' (Sometimes Men is expressed as 'Depth is so-and-so Ken').
その場合、間口（まぐち）の柱間は「間」（けん）といい、奥行の柱間は「面」という（面は「深さ何間」ということもある）。