The Times Killer Su Doku 2: 100 Challenging Puzzles from the Times by AIIA Paper
22,62 €
In Book 2, the challenge continues with the emphasis on the tougher and more deadly puzzles. Prepare to be rattled. One cannot rely on logic alone. The aim is not only to complete every row, column and cube so that it contains the digits 1-9, the numbers within a second dotted-line grid have to add up to a specific total.
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