Logic Masters Deutschland e.V.

Sensory Isofill

Rules:

ISOFILL: Divide the grid into 10 regions, each with 10 orthogonally connected cells. Every cell in a region must contain the same digit. All of the digits 0-9 must appear in the grid.

SWEEPER: A digit in a circle represents how many regions visit the area consisting of the circle’s cell and the up to 8 surrounding cells.

SIGHTLINE: Digits in a square represent how many cells in the same region can be seen in a straight line (including itself) where other regions block vision.