One-Two Zone

One-Two Zone ワンツーゾーン puzzles, classic

Naoki Inaba

This are the original One-Two Zone ワンツーゾーン puzzles by Naoki Inaba.

Example:

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Puzzles, kindly transcribed by dohz:

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Anurag Sahay

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PinkHoodie

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Variants

shade-mino-max-N

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unshade-number-area

PinkHoodie was a bit surprised that the first layout worked:

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unshade-no-vertex

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invert

This classic/variant doppel pair by PinkHoodie uses (or not) the invert variant.

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Two additional invert puzzles, by Anurag Sahay and PinkHoodie:

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unshade-equal

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unshade-no-vertex

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tasquare-marked,shade-minesweeper,kurodoko-marked

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Acknowledgements and Changes

2024-03-18 One-Two Zone ワンツーゾーン was published - thanks Martin Ender (Menderbug) for suggesting this genre and feedback, and Wand for help with the translation! 2024-03-18 ^puzzletters Anurag Sahay sent the first new puzzle - thank you! 2024-03-20 Two classics by PinkHoodie plus variant puzzles with shade-mino-max-N and unshade-number-area were added — the unshade-number-area variant name now works as expected - thank you. 2024-03-21 A variant puzzle unshade-no-vertex by Anurag Sahay was added - thank you. 2024-03-22 Local variant invert, suggested by Kinoseidon, was added - thank you. 2024-03-22 PinkHoodie, with the local invert variant, made a small classic/variant doppel pair 2024-03-22 Three variant puzzles by Anurag Sahay: globals unshade-equal, unshade-no-vertex and local invert - thank you 2024-03-23 Global variant araf added - a suggestion by Anurag Sahay for One-Two Zone ワンツーゾーン (required a connector) 2024-03-23 dohz transcribed the 4 original puzzles by Naoki Inaba. Thank you! 2024-03-24 ^puzzletters Anurag Sahay sent an additional One-Two Zone ワンツーゾーン, using the unshade-no-vertex variant - thank you! 2024-04-19 ^puzzletters PinkHoodie set an ambitious tasquare-marked,shade-minesweeper,kurodoko-marked variant puzzle, plus a shade-number-area one! 2024-03-23 Local adaptation of variant araf for one-two-zone removed (cause:complexity)