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["Дата","Пришел","Ушел","Кол-во часов"]
["2011-09-01","00:00:00","00:00:00",{"$f":"(C2-B2)","v":"00:00:00"}]
["2011-09-02","00:00:00","00:00:00",{"$f":"(C3-B3)","v":"00:00:00"}]
["2011-09-03",null,null,"00:00:00"]
["2011-09-04",null,null,"00:00:00"]
["2011-09-05","00:00:00","00:00:00","00:00:00"]
["2011-09-06","00:00:00","00:00:00","00:00:00"]
["2011-09-07","00:00:00","00:00:00","00:00:00"]
["2011-09-08","00:00:00","00:00:00","00:00:00"]
["2011-09-09","00:00:00","00:00:00","00:00:00"]
["2011-09-10",null,null,"00:00:00"]
["2011-09-11",null,null,"00:00:00"]
["2011-09-12","00:00:00","00:00:00","00:00:00"]
["2011-09-13","00:00:00","00:00:00","00:00:00"]
["2011-09-14","00:00:00","00:00:00","00:00:00"]
["2011-09-15","00:00:00","00:00:00","00:00:00"]
["2011-09-16","00:00:00","00:00:00","00:00:00"]
["2011-09-17",null,null,"00:00:00"]
["2011-09-18",null,null,"00:00:00"]
["2011-09-19","00:00:00","00:00:00","00:00:00"]
["2011-09-20","00:00:00","00:00:00","00:00:00"]
["2011-09-21","00:00:00","00:00:00","00:00:00"]
["2011-09-22","00:00:00","00:00:00","00:00:00"]
["2011-09-23","00:00:00","00:00:00","00:00:00"]
["2011-09-24",null,null,"00:00:00"]
["2011-09-25",null,null,"00:00:00"]
["2011-09-26","00:00:00","00:00:00","00:00:00"]
["2011-09-27","00:00:00","00:00:00","00:00:00"]
["2011-09-28","00:00:00","00:00:00","00:00:00"]
["2011-09-29","00:00:00","00:00:00","00:00:00"]
["2011-09-30","00:00:00","00:00:00","00:00:00"]