What shape is considered to be a homestead that is wide in front and narrow in back?

No matter what the mountain direction is, the side of the house with the mountain is the back, and the direction of the door is the front. In terms of architectural Feng Shui, a homestead that is wide in front and narrow in back is unlucky. The Jingsuo Jade Pass Sutra says: It goes without saying that the front is wide and the back is narrow, but the owner's family has no money and sells all the land; the children and grandchildren flee to other places, just because of the big words and fierce punches. As shown in the picture: