Yajikabe – Medium

Yajikabe - Medium
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About Yajikabe

Yajikabe was invented by Naoki Inaba (Japan): he combined Yajilin and Nurikabe puzzles. The goal is to blacken some cells of a grid according to the following rules:
Basic Rules
  • Cells with numbers are always white.
  • No 2 x 2 cell area within the grid can contain all black cells.
  • All the black cells form one contiguous region.
  • A cell containing a number and an arrow represents how many black cells are in the row or column pointed at by the arrow.
Additional Rules for Yajikabe
  • Cells with arrows and numbers must remain white and serve as clues.
  • The arrows indicate the direction and the number of black cells in that direction.
Basic Solving Tips
  • Start by marking cells with numbers and arrows as white.
  • Ensure no 2 x 2 area is fully blackened by strategically placing white cells.
  • Use the arrow clues to determine which cells in the row or column need to be black.
  • Check and maintain the continuity of the black cell region throughout solving.