need the blue column heading rows to remain fixed, and scroll the green rows:
Col 1a Col 1b Col 1c Col 2 Col 3 Col 4
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Col 5
Col 1 A B C 1 4-a 4-b 4-c 4-d 4-e Z
Col 1
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A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a Col 1b+c A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a+b Col 1c A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a Col 1b+c
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A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a+b Col 1c A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a Col 1b+c A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a+b Col 1c A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a Col 1b+c
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A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a+b Col 1c A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a Col 1b+c
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A B C 1 4-a 4-b 4-c 4-d 4-e
Col 1a+b Col 1c
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A B C 1 4-a 4-b 4-c 4-d 4-e