Sashigane/en

Instructions

1. Divide the grid into L-shaped blocks, each consisting of an elbow, a horizontal arm extending from the elbow to another cell in the same row as the elbow, and a vertical arm extending from the elbow to another cell in the same column as the elbow.

2. A cell with a circle in it is the elbow of its corresponding block. If the circle has a number in it, that number represents how many cells are in that block.

3. A cell with an arrow in it is the tip of one of the arms of its corresponding block, and the arrow points to the elbow of that block.

History

Sashigane is a Nikoli puzzle type.