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On his better days he could sit up enough to peep out of his window , and she found he liked to look at her . " Two similar sized buildings next door lost over 80 percent of their windows , with furniture and files strewn about the streets outside . And each center intensifies centers contained within it ( for example , an external building facade intensifies each of its windows , perhaps by a graded variation in size with the largest windows on the bottom and the smaller ones on top ) .