Suguru — Quick rules

Goal of the game

Fill every region with its required numbers while making sure equal digits never touch, even diagonally.

Rules

  • A region of N cells contains the numbers 1 to N exactly once. Given digits never change.
  • Two equal digits can never touch by an edge or a corner, even when they belong to different regions.
  • Rows and columns have no uniqueness rule of their own: the same digit may appear again farther away as long as the region and adjacency rules are respected.

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