Because the betsuma was also tilting in parallel with the main building, crossbeams and joists connecting the two buildings were severed to correct tilting of the betsuma by itself.
別間も本建物と平行して傾斜していたので、本建物と接続する桁・母屋などの横架材を切り離し、別間だけ独立して傾斜を復旧していた。