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[]
[null,"Table1"]
[null,"Task","Start","Finish","Dur"]
[null,"A","2010-04-12","2010-06-11",{"$f":"[Finish]-[Start]","v":60}]
[null,"B","2010-05-03","2010-07-12",{"$f":"[Finish]-[Start]","v":70}]
[null,"C","2010-06-14","2010-08-16",{"$f":"[Finish]-[Start]","v":63}]
[]
[]
[null,"Table3"]
[null,"Begin","End","Ticks"]
[null,"2010-04-01","2010-08-31",20]