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Tough Sudoku for 18/June/2017


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Sudoku Solving Techniques

Submitted by: sudoku lover

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Thanks, gath. Glad to see the 'tough' back.
19/Jun/17 10:31 PM
SE 7.2
#1 basics to UP28.
#2 (9)g4=(9-3)g8=HP(34)gh9-(3=7)c9-ac7=(7-1)h7=g7 -> -1g4; UP81
19/Jun/17 10:31 PM
lcls to 28
1. Kraken row (1)fgh7 =>-9g8; singles to 81
20/Jun/17 6:31 AM
20/Jun/17 8:48 AM
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