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In the grid shown below, 20 numbers are given in blue and red.

Draw a dividing line along the contours of the grid such that

A) Blue Numbers Sum to the same on both sides of the line

B) Red Numbers Sum to the same on both sides of the same line.

I.e., only one contour line can be drawn to satisfy both requirements.

enter image description here

A solution can look like this:

enter image description here

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  • $\begingroup$ Please see what the final answer can look like $\endgroup$ – Uvc Jun 20 at 10:48
  • $\begingroup$ Thx..well clarified $\endgroup$ – Uvc Jun 20 at 11:13
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Okay I think this is the solution

enter image description here

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  • $\begingroup$ Got it!!!...... $\endgroup$ – Uvc Jun 20 at 10:51

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