Tag Archives: elbows 4-set quad

Beeby’s Elbow Quad in shye’s Catherine Wheel


This post carries us through the Sysudoku process, with the elbow fireworks of the Catherine Wheel, a second 4-set quad example from shye’s forum posts, cited in Beeby’s notes.   From the givens grill at the end of last week’s … Continue reading

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The UHC Solvers on the Shye Fireworks


As announced last post, a series on Sysudoku Basic is postponed for another look at fireworks. In recent posts, we have been reviewing examples from forum commentator shye’s introduction of fireworks, and proposing a more limited, but  better defined form … Continue reading

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