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{"sheet":"Sheet1","index":0,"n_rows":10,"n_cols":3,"rows_kept":10,"cut":false,"hidden":false,"merged":[]}
["Time","Series A","Series B"]
[0.0,{"$f":"RAND()*10","v":0.3356345331},{"$f":"A2^2 + RAND()","v":0.3303856121}]
[0.5,1.593018037,1.173815108]
[1.0,1.374965296,1.47224963]
[1.5,4.559895586,2.461995003]
[2.0,0.7547873845,4.623429064]
[2.5,6.004274384,7.145934022]
[3.0,2.982763238,9.460830976]
[3.5,4.383715029,12.66277062]
[4.0,9.602053685,16.89321148]

{"sheet":"Sheet2","index":1,"n_rows":8,"n_cols":3,"rows_kept":8,"cut":false,"hidden":false,"merged":[]}
["Date","Count A","Count B"]
["2021-01-01",{"$f":"ROUND(RAND()*10,0)","v":2},{"$f":"10","v":10}]
["2021-01-02",1,{"$f":"C2-0.5*ROUND(RAND()*10,0)","v":5.5}]
["2021-01-03",5,2.5]
["2021-01-04",5,0.5]
["2021-01-05",3,0]
["2021-01-06",5,-3]
["2021-01-07",8,-3.5]