Slash Pack

Rules

Divide the grid into shapes, using only the diagonals of the squares, without any loose ends. Each shape must contain given set of letters. Two diagonals cannot cross in one square.

(Rules and example from WPC 2016 IB, A-D)

History of the puzzle

Invented by Yosuke Imai (Japan) in 2007. First appeared on 2007 Japanese Online Qualifier.

Appearances in the past WPCs

• WPC 2018/Round 8 by Jan Zvěřina
• WPC 2016/Round 12 by Matúš Demiger