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Making a puzzle…
Solved!
What the generator did
How the grader solved it
The grader always plays the easiest technique available, one move at a time. The hardest bar shown is what this puzzle demands.
Press “Hint” to see, step by step, the reasoning needed to find the next digit on the current grid.
Check a puzzle from somewhere else
SinglesIntersectionsPairsX-Wings & wingsAssume and contradict