Pins

Rules

Connect empty cells to dots using lines of different lengths from the given set. Rectangle formed by connected cells cannot touch another rectangle of the same size even diagonally.

(Rules and example (length 1-4) from the 18th 24hPC IB)

History of the puzzle

Appeared on WPC 2015/Round 8 as an instructionless puzzle. Author of the puzzles were Vladimir Portuglaov (Belarus).

Appearances in the past WPCs

• WPC 2015/Round 8 by Vladimir Portuglaov