ナンバーブロック actually is "Number Block". An interesting account of the genre's naming history can be read at Otto Janko's Suguru page.
The original Suguru ナンバーブロック puzzles by Naoki Inaba were kindly transcribed by PinkHoodie into interactive form!
Starting with the example:
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And continuing with the 4-puzzle set:
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In addition, PinkHoodie made the following:
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Acknowledgements and Changes
2024-01-02 PinkHoodie kindly transcribed Naoki Inaba's original puzzles, and created a new puzzle!
2024-12-07 puzzletters PinkHoodie mailed 1 Suguru ナンバーブロック (classic) puzzle - part of the parallel series!
2024-12-28 puzzletters PinkHoodie composed 1 Suguru ナンバーブロック (classic) puzzle - gracias!
2025-02-09 puzzletters PinkHoodie dispatched 1 extra Suguru ナンバーブロック (classic) puzzle, , part of the 16x6 series!