4B, Sofia announced. Who lived here? Mrs. Sanchez, she was a very nice lady. She was nice? Yes. 4C. Who lived here. The Kleins. Were they nice? They were old. The apartment doors, once oak, were now all single slabs of siege-mentality sheet metal, their numbers, in his time screwed-in brass, nothing more than hardware-store decals. But he couldn't care less about these particular outrages against memory, because in the end the information they provided was the same information as twenty years ago, and any way you cut it the doors and their numbers would always tell the same story. 4D. Who lived here?