Another "pearl" of a puzzle

Interesting puzzles can be posted here
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David Bryant
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Another "pearl" of a puzzle

Post by David Bryant »

Hi, all!

Since Ruud is posting "pearls" on the nightmare page this week, it seems like a good time to introduce another "pearl" from my friend Andrei's collection.

Code: Select all

 *-----------*
 |...|.1.|78.|
 |5..|..9|...|
 |...|...|.4.|
 |---+---+---|
 |.26|...|...|
 |...|6..|..3|
 |.74|.8.|...|
 |---+---+---|
 |...|..3|..2|
 |.8.|.4.|.1.|
 |6..|5..|...|
 *-----------*
I think you'll need one XY-Wing to solve it. Finding the first digit is the tricky part. dcb
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