I am back so I hope you will understand the pattern. I did it on my EQ7 program.
This is the best I can do. I hope it helps you. all you need to do is add the sashing after. Just measure the strips.
The pattern sizes are on the page so if you try it on scrap first it should work. Add an extra 1/4 inch for seam allowances it it has not done so. I did look for an easy way for the 1/4square triangles but I could not find anything.
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