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Sudoku hidden single

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  • 29-11-2020 11:41pm
    #1
    Hego Damask
    Registered Users Posts: 842 ✭✭✭


    Hi,
    According to this it is a hidden single ..
    534625.png

    But I cannot eliminate 6 from the square directly above ....


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    #2
    loobylou
    Registered Users Posts: 1,418 ✭✭✭loobylou


    Column 3, the 6 can only go in positions G or I.
    Column 7 similarly the 6 can only take up G or I.
    Therefore row G cannot have a 6 in column 4.


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    #3
    Hego Damask
    Registered Users Posts: 842 ✭✭✭Hego Damask


    oh wow !!!
    Thanks, I have been managing to do hard suduko's without utilising that trick!!!

    Wow ... nice...


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