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{"sheet":"Elementary","index":0,"n_rows":29,"n_cols":4,"rows_kept":29,"cut":false,"hidden":false,"merged":[[1,1,1,3]]}
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[null,"Records of Elementary School"]
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[null,"Student ID","Name","Grade"]
[null,"S0001","John Smith","A"]
[null,"S0002","Jane Doe","B+"]
[null,"S0003","Michael Lee","A-"]
[null,"S0004","Kim Nguyen","B"]
[null,"S0005","Emily Chen","A"]
[null,"S0006","David Kim","C+"]
[null,"S0007","Amy Lee","A+"]
[null,"S0008","Thomas Lee","B-"]
[null,"S0009","Olivia Davis","A-"]
[null,"S0010","Jack Brown","C"]
[null,"S0011","Grace Park","B"]
[null,"S0012","Andrew Lee","A"]
[null,"S0013","Mia Johnson","B+"]
[null,"S0014","Ryan Kim","A-"]
[null,"S0015","Anna Nguyen","C+"]
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[]
[]
[]
[]
[]
[]
[]
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[null,null," "]

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[null,"Records of Middle School"]
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[null,"Student ID","Name","Grade"]
[null,"S0001","Sarah Johnson","A-"]
[null,"S0002","Mark Lee","B+"]
[null,"S0003","Olivia Smith","A"]
[null,"S0004","Jack Davis","B"]
[null,"S0005","Emily Chen","A+"]
[null,"S0006","David Kim","C"]
[null,"S0007","Amy Lee","A"]
[null,"S0008","Thomas Lee","B-"]
[null,"S0009","Grace Park","A-"]
[null,"S0010","Jane Doe","C+"]
[null,"S0011","Michael Lee","B"]
[null,"S0012","Andrew Kim","A+"]
[null,"S0013","Mia Nguyen","A-"]
[null,"S0014","Ryan Brown","C"]
[null,"S0015","Anna Nguyen","B+"]

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[null,"Records of High School"]
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[null,"Student ID","Name","Grade"]
[null,"S0001","John Smith","B+"]
[null,"S0002","Emma Davis","A-"]
[null,"S0003","Michael Nguyen","A"]
[null,"S0004","Sarah Lee","B-"]
[null,"S0005","Matthew Kim","A"]
[null,"S0006","Emily Chen","C+"]
[null,"S0007","David Park","B"]
[null,"S0008","Grace Kim","A+"]
[null,"S0009","Thomas Lee","A-"]
[null,"S0010","Jane Lee","C"]
[null,"S0011","Olivia Kim","B+"]
[null,"S0012","Ethan Brown","B-"]
[null,"S0013","Mia Johnson","A"]
[null,"S0014","Ryan Kim","C+"]
[null,"S0015","Anna Nguyen","A-"]

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[null,"Records of College"]
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[null,"Student ID","Name","Grade"]
[null,"S0001","Sarah Lee","A-"]
[null,"S0002","Jack Brown","C+"]
[null,"S0003","Olivia Davis","A"]
[null,"S0004","Michael Kim","B-"]
[null,"S0005","Emily Chen","A+"]
[null,"S0006","David Lee","B"]
[null,"S0007","Amy Kim","A-"]
[null,"S0008","Thomas Nguyen","C"]
[null,"S0009","Grace Park","B+"]
[null,"S0010","Jane Doe","A-"]
[null,"S0011","Michael Lee","B"]
[null,"S0012","Andrew Kim","A+"]
[null,"S0013","Mia Nguyen","A-"]
[null,"S0014","Ryan Kim","C+"]
[null,"S0015","Anna Nguyen","B"]

{"sheet":"University","index":4,"n_rows":19,"n_cols":4,"rows_kept":19,"cut":false,"hidden":false,"merged":[[1,1,1,3],[50,3,50,6]]}
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[null,"Records of University"]
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[null,"Student ID","Name","Grade"]
[null,"S0001","Sarah Johnson","B-"]
[null,"S0002","Jack Davis","C+"]
[null,"S0003","Olivia Smith","A"]
[null,"S0004","Michael Kim","B-"]
[null,"S0005","Emily Chen","A+"]
[null,"S0006","David Lee","B"]
[null,"S0007","Amy Kim","A-"]
[null,"S0008","Thomas Lee","C+"]
[null,"S0009","Grace Park","B+"]
[null,"S0010","Jane Doe","A-"]
[null,"S0011","Michael Lee","B"]
[null,"S0012","Andrew Kim","A+"]
[null,"S0013","Mia Nguyen","A-"]
[null,"S0014","Ryan Brown","C"]
[null,"S0015","Anna Nguyen","B+"]

{"sheet":"Sales","index":5,"n_rows":14,"n_cols":5,"rows_kept":14,"cut":false,"hidden":true,"merged":[[1,1,1,4]]}
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[null,"Sales Report Of January"]
[]
[null,"Date","Category","Item","Amount (USD)"]
[null,"2022-01-01","Office Rent","Monthly rent",2000]
[null,"2022-01-05","Office Supply","Printer ink cartridge",100]
[null,"2022-01-10","Travel","Airfare for business trip",800]
[null,"2022-01-15","Office Rent","Additional rent for storage",500]
[null,"2022-01-20","Office Supply","Printer paper",50]
[null,"2022-01-25","Utilities","Electricity bill",200]
[null,"2022-01-30","Travel","Gas and mileage for company vehicle",150]
[]
[]
[null,null,null,"Hide/Unhide"]

{"sheet":"Summary","index":6,"n_rows":14,"n_cols":4,"rows_kept":14,"cut":false,"hidden":true,"merged":[[1,1,1,3]]}
[]
[null,"Summary Table for All Expenses"]
[]
[null,"Month","Category","Total Amount (USD)"]
[null,"January","Office Rent",2500]
[null,"January","Office Supply",150]
[null,"January","Travel",950]
[null,"January","Utilities",200]
[null,"February","Office Rent",2500]
[null,"February","Office Supply",100]
[null,"February","Travel",600]
[null,"February","Utilities",250]
[null,"...","...","..."]
[null,"Total","All Categories",12000]