Medium Train Tracks Puzzle (7×7)
Medium is a 7×7 grid with four lives. The railway is longer, so the first obvious deductions won't finish the board and you'll need dead-end elimination and clue counting.
At a glance
- Grid: 7×7
- Lives: 4
- Hints: two per practice puzzle, none in the Daily
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How to approach Medium
- Apply the border rule to every edge square early.
- Cross out dead ends before placing the middle of the route.
- Grow the line from both tabs toward each other.
Want the full walkthrough? Read the Medium 7×7 guide or the rules.