Theme: Squares in squares
Monday, 24 June 2019
Rules: The challenge is to draw a single, closed loop and shade some cells, subject to the following rules:
- Numbered cells indicate the amount of shaded cells in the corresponding region..
- Shaded cells cannot touch horizontally or vertically but may touch diagonally.
- All remaining white cells should be traversed by a single closed loop, with no branches and which doesn't cross itself.