This puzzle was created by Leon Balmaekers in 1988. Peter Ritmeester first published this puzzle in "Eureka".
Puzzle and Goal
An unsolved puzzle consists of a rectangular grid. There are numbers along two sides, and some cells contain an icon representing a tree.
The goal is to put icons representing tents in some of the empty cells to satisfy the clues.
The solved grid must satisfy the following conditions:
The numbers along the top and side represent the number of tents in the corresponding rank.
All tents and trees are paired orthogonally, with exactly as many tents as trees.
If a cell contains a tent, then no neighboring cell contains a tent.
Alle ballen verzamelen; Bäume und Zelte; Camping; Gut Bewacht; Tentje Boompje; Tents and Trees; Zeltlager; Zeltplatz