The Puzzle Robot #5 – Tren

Tren by Serkan Yürekli


or solve online (using our beta test of Penpa-Edit tools using a composite mode where left click inside cell shades square, left click + drag draws line segment, right click inside cell adds dot, and right click on cell edge adds an x.)

Theme: Railroad Crossing (“Tren” means train in Turkish.)

Rules: Locate some blocks in the grid, either 1×2 or 1×3 in size, with each block containing one of the given numbers. A block’s number must indicate the total possible movement of the block along either direction in its long direction, where it is blocked only by an edge of the grid or another block. Or see here.

Answer String: Enter the size of consecutive groups of cells that belong to blocks in each marked row from left to right, separating each row with a comma (ie 151,22,44,22).

Time Standards (highlight to view): Grandmaster = 5:00, Master = 7:30, Expert = 15:00

Solution: PDF

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