Výměna tří oken ve strojovně výtahu

[{"from":800,"to":4500,"value":38,"percent":57},{"from":4500,"to":8200,"value":11,"percent":16},{"from":8200,"to":11900,"value":1,"percent":1},{"from":11900,"to":15600,"value":5,"percent":7},{"from":15600,"to":19300,"value":0,"percent":0},{"from":19300,"to":23000,"value":3,"percent":4},{"from":23000,"to":26700,"value":2,"percent":3},{"from":26700,"to":30400,"value":1,"percent":1},{"from":30400,"to":34100,"value":1,"percent":1},{"from":34100,"to":37800,"value":0,"percent":0},{"from":37800,"to":41500,"value":1,"percent":1},{"from":41500,"to":45200,"value":0,"percent":0},{"from":45200,"to":48900,"value":1,"percent":1},{"from":48900,"to":52600,"value":0,"percent":0},{"from":52600,"to":56300,"value":1,"percent":1},{"from":56300,"to":60000,"value":2,"percent":3}]