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1. A house structure comprising: a concrete foundation with a concrete floor slab having a polygonal shape symmetrical about both horizontal planar axes; a plurality of peripheral bracket assemblies embedded in said foundation and placed at a plurality of tilted walls and columns; six or more even number of the plurality of walls each having a rectangular shape of equal size with rabbeted side edges and top and bottom faces parallel to the floor slab, each said wall leaning at a tilted angle of between four and eight degrees towards the centroid of the foundation; six or more even number of the plurality of columns of equal size in each having an isosceles trapezoid shape with rabbeted side edges matching the rabbeted side edges of the walls, having top and bottom faces parallel to the floor slab and leaning towards the centroid of the foundation; said trapezoidal columns placed in spaces between the rectangular walls so as to form a pattern symmetrical to both said horizontal planar axes, whereby outside angles between the side edge of each of the columns and the side edge of each of the walls at all of the matching rabbeted side edges, are either acute equal outside angles or acute varying outside angles; the trapezoidal columns having top ledges for a roof, or for two-story structures having intermediate ledges for a second floor; and whereby the house structure is held together along the rabbeted side edges by lateral forces resulting from the weight of the tilted walls and columns leaning towards the centroid of the structure, has a regular polygonal pyramid frustum shape having the acute equal outside angles or an irregular polygonal pyramid frustum shape, and is designed to resist tornadoes.
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