The numbers outside the grid are the difference between the highest and the lowest digits in the first three cells from that side.
Solution code: Column 6, followed by row 5.
on 7. May 2022, 03:01 by Nick Smirnov
CTC App:
https://tinyurl.com/3pvcwsym
on 23. August 2010, 12:05 by pin7guin
Mjam. Teil I+II waren meine Nr. 701 und 702.
Danke, Richard, Deine Rätsel sind immer wieder ein Genuss!
on 20. August 2010, 15:59 by zhergan
Thanks Richard! It is very well designed like your others. After some wrong attempts I could reach at last the correct solution:)
on 20. August 2010, 12:57 by Statistica
I like it!!!!
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