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My attention has been drawn to this curious book, in which mariners have to solve exercises whose results become the clues in a sudoku puzzle. The only problem, the resulting puzzles usually have multiple solutions

Regards,

Mike

Code: Select all

+---+---+---+
|...|.49|581|
|...|...|...|
|149|568|...|
+---+---+---+
|...|...|...|
|...|.51|248|
|.13|824|9..|
+---+---+---+
|672|48.|...|
|...|...|...|
|...|132|67.|
+---+---+---+  34 sol.


For mariners or walkers?
e.g. the position given in band 2: 51°24.8' ; 138°24.9' is onshore in Russia

JPF