A Timely Finned Fish in funster Extreme 88

Continuing the review of Charles Timmerman’s funster Hard to Extreme Sudoku, with Extreme 88.

The basic compensates for a modest  bypass with a favorable line marking. A naked single early and a finned 2-wing late. Finned fish is a topic recently added to the Sysudoku Guide.

The finned X-wing is ordinarily spotted on the X-panel, but looking up from the 2-slink on r8, the presence of the victim in the box of the fin jumps out at you.





Following the regular order is a regular 237-wing.



After the follow up,

I try to enlist the naked pairs in coloring.

The cluster expands by trapping 2r2c8, and blue is wrapped in r5. Game over.









Next is Funster Extreme 102 which illustrates a Sysudoku theme in an unusual way.

Also, a Guide page on Coloring Fundamentals is now available, off of the Sudoku Advanced page

About Sudent

I'm John Welch, a retired engineering professor, father of 3 wonderful daughters and granddad to 7 fabulous grandchildren. Sudoku analysis and illustration is a great hobby and a healthy mental challenge.
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