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Photo 89
365-DSC01577 Sudoku for the blind
6 x 6 Sudoku for the blind was seen at the seminar Teaching Mathematics for the Visually Impaired.
30th March 2010
30th Mar 10
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Anneli Salo
@annelis
I live in Kerava and worked in Helsinki in Finland. I used train and metro when travelling to work and back home. I retired from...
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Photo Details
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365
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DSC-W215
Taken
30th March 2010 11:53am
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