This genre is logically equivalent to the genre "Bag" by ゲサク (GESAKU), however presented in shaded form.
It's possible "Bag" might also be implemented in its original form the near future.
Also, number clues were chosen to match those in Kurodoko 黒どこ since they abide by the same rules.
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unshade-no-vertex
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hex
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cross-connectivity
This variant was created by xetto, who made a demonstration puzzle:
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Acknowledgements and Changes
2024-04-27 PinkHoodie collected the metadata for Cave バッグ and suggested some recommended variants. Thank you!
2024-04-28 Big thanks to PinkHoodie for alerting to the premature release of Cave バッグ and quickly following up with rule panels and a genre cover pic! Both added with minor changes. And on top of that, PinkHoodie even made a puzzle for the rollout!
2024-05-03 puzzletters PinkHoodie sent 3 classics plus 1 puzzle using variant unshade-no-vertex
!
2024-06-13 Rever shared a nice hex
Cave バッグ puzzle to use as an example - thank you!
2024-07-27 puzzletters PinkHoodie sent 1 classic plus 1 puzzle using variant unshade-no-vertex
!
2024-09-22 xetto made a Cave バッグ puzzle to demonstrate the cross-connectivity
variant!
2024-09-21 puzzletters PinkHoodie sent 4 classics - thank you!
2024-09-29 Regression in cross-connectivity
reported by Random 8 and PinkHoodie was corrected (cause: forgot to uncomment a contraint after testing). Unit tests added!