Tag Archives: Unsolvable 197

Bird’s JE Solution of Unsolvable 197


This post comments on David P. Bird’s Junior Exocet soutions of Unsolvables 190 and 197, posted in comments on Andrew Stuart’s Weekly Unsolvables page.  Bird describes his JE definition as a means of spotting exocet patterns.  However, it can  be … Continue reading

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Completing CLEF for Unsolvable 197


This post notes how base candidate combinations of an exocet can be reduced in additional ways, then continues the exocet trials of Unsolvable 197 by means of Sysudoku Chute Lettering Exocet Filter.  This technique is, in part, a systematic way … Continue reading

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CLEF-ing Unsolvable 197


This post is a completely traced report of a solving of Unsolvable 197 by Sysudoku Chute Lettering Exocet Filtering.  The Unsolvable 197 double exocet is in the North band, in contrast to the earlier CLEF solved Unsolvable 190, with the … Continue reading

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