Number Net
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Rules[edit]
Link pairs of identical numbers so that each number represents the number of cells along the link, including the cells with the numbers. Cells containing 1 represent paths that are 1-cell long. Paths must follow horizontal or vertical directions and are not allowed to cross or overlap other paths.
History of the puzzle[edit]
According to Conceptis Ltd, the puzzle was invented by one editor of Byakuya Shobo publishing company. [1] When did this happen is uncertain, but probably in the late 1990s on お絵かきパズルランド (Oekaki Puzzle Land) magazine, first published in 1995.
Most commonly this puzzle is known as Link-a-Pix (a name by Conceptis), but the name of this article is based on original name given by Byakuya Shobo, ナンバーネットロジック (Number Net Logic).
Appearances in the past WPCs[edit]
- WPC 2017/Round 17 by by Rohan Rao
- WPC 2013/Part 8