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when toggle format what by license comment
Oct 17, 2019 at 23:10 comment added theonetruepath Nice going. These aren't easy. you're right. I hadn't realised that task 3 would be harder than 4. Answer awarded.
Oct 17, 2019 at 23:08 vote accept theonetruepath
Oct 17, 2019 at 16:29 history edited Avi CC BY-SA 4.0
Using similar colors for all pictures, added pentomino borders for clarity
Oct 17, 2019 at 16:15 history edited Avi CC BY-SA 4.0
added 125 characters in body
Oct 17, 2019 at 15:25 history edited Avi CC BY-SA 4.0
added 124 characters in body
Oct 17, 2019 at 2:37 history answered Avi CC BY-SA 4.0