Logic Masters Deutschland e.V.

Rules:

Colorguru rules apply: Some cells in the grid have been colored blue, green, purple, red or yellow. Using those 5 colors, color some more cells in the grid. Every colored cell belongs to a Block, which is 1 to 5 orthogonally connected cells of the same color. Blocks of the same color or size cannot touch orthogonally or diagonally. Every Block belongs to a Region, which is 2 or more orthogonally connected Blocks. Blocks within a Region cannot be the same color or size. Regions may not touch orthogonally. Regions that touch diagonally have at most one color in common.

Blue lines are Region Color Lines. Along a Region Color Line, the color and number of cells the line passes through must be the same in each Region the line enters. For example if in one Region a line passes through 2 red cells and 1 yellow cell, then there must be exactly 2 red cells and 1 yellow cell on the line in every other the line passes through. Region Color Lines pass through at least 2 Regions and never pass through the same Region more than once, and some cells on the line may be uncolored.

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Puzzle: