Logic Masters Deutschland e.V.

Unique Yet Equal

Rules:

Standard placement: The digits from 1 to 8 are placed so that each appears exactly once in every row and every column.

Division into Teams: The digits 1 to 8 are divided into two Teams, with each digit assigned to exactly one Team.

Unique Regions: The final grid is fully partitioned into Regions of orthogonally connected cells (a Region may consist of a single cell). Each Region is built from digits belonging to a single Team, and orthogonally adjacent Regions belong to opposite Teams. Digits do not repeat within a Region. All Regions are unique in their composition of digits.

Connectors: If two adjacent Regions have an equal sum of digits, they are linked by exactly one Connector. In addition, digits separated by a Circular Connector are consecutive, while digits separated by a Square Connector are not required to be.

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