page_title: Inshi no heya
section_title: Rules
hierarchical_section_title: Inshi no heya / Rules
caption_attribution_description: English: Solved Inshi No Heya grid
context_page_description: Inshi no heya is a type of logic puzzle published by Nikoli. It is a specific form of the KenKen puzzle genre where every operation is implied to be multiplication.
context_section_description: Inshi no heya is played on a square grid, broken into "rooms" by heavier borders.  One of every room's dimensions will be a single cell; the length or width of the room varying by room.  
  Each room may run either horizontally or vertically, and has a small number appearing in its upper left corner.
  The puzzle starts with all the cells empty.
  The goal is to fill all the cells with nonzero single-digit numbers (1 through n, where n is the length of the grid's edge) such that:
  The numbers in each room, when multiplied together, equal the small number in the upper left corner of the room
  No number appears twice in a column or row
caption: Solved Inshi No Heya grid
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