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Rules of the game


  • is also known under the name Unequal.
  • is a puzzle playable on a square board having fixed dimensions (5x5 for example).
  • each board square must ultimately contain a digit from 1 up to the board dimension.
  • on each row or column, each digit must appear exactly once.
  • at the beginning only some squares are revealed, the player must discover the rest.
  • if the board contains inequalities between square cells, they must be respected.
  • each puzzle has a unique solution and no guessing is required to discover it.
  • to make a move, choose a square and press a keyboard digit or 0 (zero) to erase it.

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