Serkan Yürekli constructed a gate whose walls reach out to both opposite corners.
or solve online (using our beta test of Penpa-Edit tools in linex mode where left click+drag draws lines and right click marks X’s)
Author/Opus: This is the 421st puzzle from our managing editor Serkan Yürekli.
Rules: Connect each pair of identical numbers with a path passing through edge-adjacent cells. No cell may be used on more than one path.
Difficulty: 1 star
Time Standards (highlight to view): Grandmaster = 0:20, Master = 0:30, Expert = 1:00
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