Theme: Clue Symmetry and Logic (for TheSubro)
Author/Opus: This is the 290th puzzle from Thomas Snyder, aka Dr. Sudoku.
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.
Answer String: Enter the length in cells of the horizontal line segments from left to right in the marked rows, starting at the top. Separate each row’s entry with a comma.
Time Standards (highlight to view): Grandmaster = 2:00, Master = 3:30, Expert = 7:00
Note: Follow this link for other Loop/Path puzzles.