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Hard · Puzzle #451
3
2
9
7
6
3
9
1
5
6
9
8
5
2
4
6
1
3
7
9
3
2
4
8
2
3
"If I have seen further, it is by standing on the shoulders of giants." — Isaac Newton
"If I have seen further, it is by standing on the shoulders of giants." — Isaac Newton
Hidden Triple: three digits each appearing in only three cells within a group — eliminate all other candidates from those three cells.
Hidden Triple: three digits each appearing in only three cells within a group — eliminate all other candidates from those three cells.