Author |
Message |
Topic: subgroup question |
Dave
Replies: 2
Views: 15374
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Forum: Other puzzles Posted: Fri Oct 17, 2014 9:33 pm Subject: subgroup question |
Hi, I've been struggling with this for several days. I am told that "the column contains a sub-group of 1,2,3 so 1,2,3 may be eliminated from the top 2 squares. Where and why is the subgroup? ... |
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