I got introduced to puzzles by my Grandad, and it's his birthday soon and I'm looking for a fun and unique puzzle gift for him.
I wondered if you had any recommendations, and would you be able to create a personalised gift for him with his name on the cover? I'm sure he'd love it and it would really make his day.
In our new series of videos, you can learn about new puzzle types and take part in quizzes. Why not have a watch?
A lovely sudoku variant, sandwich sudoku gives you hints around the edge of the grid as to the location of the 1 and 9 in each row and column. This video explains the rules so you can have a go at this fun but tricky variant...
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