As stated by the authors, the name "Jisoku" (自測) means "self measurement" in Japanese.
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hex
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Acknowledgements and Changes
2025-03-27 Thanks to Anurag Sahay and PinkHoodie sending Jisoku puzzles for rollout and feedback on the implementation (especially a correction of the automodes)!
2025-03-28 PinkHoodie sent a second puzzle for rollout. Thank you!
2025-03-29 Thanks to PinkHoodie for sending a panel to clarify the hex
variant Jisoku, which distinguishes acute and obtuse turns
2025-03-29 puzzletters Anurag Sahay fashioned 1 Jisoku puzzle using variant hex
plus 2 Jisoku (classic) puzzles!