·Goal: place tower heights 1–5 so each height appears once in every row and column.
·An edge clue tells you how many towers you can see from that side. A taller tower hides every shorter tower behind it.
·Play: tap a cell, then choose a height. Tap an edge clue to highlight the towers visible from there.
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2
2
5
3
1
4
Example: in 2–5–3–1–4, you see two towers from the left: 2, then 5. The 5 hides everything behind it.