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@Moonie posted:

I was telling my sister the very same thing last night El

She is an avid Sudoku fan

I have tried but my brain isn’t that mathematical

I've been doing Sudoku puzzles for years so am also a fan

They are closer to being logic puzzles rather than mathematical. Although they use the numbers 1 to 9 they could be done with say the letters A to I for instance.
A tiny Sudoku puzzle with the rule that there has to be A, B and C in each row and column:
A??
?B?
??C
So 6 cells with a ?. The second ? can't be A as there's an A in that row and can't be C as there's a C in that column so it must be B
A?B
?B?
??C
So the 1st ? has to be C and the one at the end of the second row has to be A
ACB
?BA
??C
The ? at the beginning to the second row has to be C and the ? at the end of the second column has to be A
ACB
CBA
?AC
The remaining ? has to be B
ACB
CBA
BAC

El Loro
Last edited by El Loro
@El Loro posted:

I've been doing Sudoku puzzles for years so am also a fan

They are closer to being logic puzzles rather than mathematical. Although they use the numbers 1 to 9 they could be done with say the letters A to I for instance.
A tiny Sudoku puzzle with the rule that there has to be A, B and C in each row and column:
A??
?B?
??C
So 6 cells with a ?. The second ? can't be A as there's an A in that row and can't be C as there's a C in that column so it must be B
A?B
?B?
??C
So the 1st ? has to be C and the one at the end of the second row has to be A
ACB
?BA
??C
The ? at the beginning to the second row has to be C and the ? at the end of the second column has to be A
ACB
CBA
?AC
The remaining ? has to be B
ACB
CBA
BAC

It’s hard enough for me with numbers let alone letters

Moonie
@slimfern posted:

The sit down 'Space Invader' game in our local public house was my first introduction to computer games

I remember going to London Airport (as it was then before being renamed Heathrow) on the annual school outing in the early 1960s. There was a primitive sort of motor racing game, the equivalent of an arcade game at the time. I had a go at it and got a champion rating

El Loro
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