| 11. | Together they have 288 triangular faces, 432 square faces, 864 edges, and 288 vertices.
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| 12. | Faces are reduced to half as many sides, and square faces degenerate into edges.
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| 13. | It has a square face with a Gothic rose window.
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| 14. | Vertices of the birectified 5-ocube are located in the square face centers of the 5-cube.
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| 15. | At the centre of the square facing west is a statue of poet Mih�ly V�r�smarty.
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| 16. | Vertices of the birectified 6-ocube are located in the square face centers of the 6-cube.
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| 17. | On Sunday, thousands stood in the vast square facing the palace taking pictures of it.
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| 18. | Vertices of the birectified 7-cube are located in the square face centers of the 7-cube.
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| 19. | Vertices of the birectified 9-cube are located in the square face centers of the 9-cube.
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| 20. | The 8 small rhombicuboctahedral cells are joined to each other via their axial square faces.
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