Logic Masters Deutschland e.V.

• Nanameguri and Geradeweg:
  • Draw a single closed loop through the centers of some cells. The loop only moves orthogonally and cannot visit the same cell more than once.
• Nanameguri:
  • The loop enters and exits each outlined region exactly once.
  • The loop must visit every cell with a diagonal line.
  • The loop cannot travel through a diagonal line.
• Geradeweg:
  • The loop must visit every circle.
  • The digit in a circle is the length of every straight line segment that enters that cell (if the loop turns on a circle, each segment must be the same length).
  • A question mark may represent any number.

Penpa

Penpa (example puzzle)