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. 1 2 3 . 4 5 6 .
. . 4 . . . 7 . .
. . 8 . . . 1 . .
. . 7 . . . 2 . .
. . 3 4 8 9 6 . .
. . 1 . 5 . 9 . .
. . 5 . . . 3 . .
. . 9 . . . 8 . .
. 8 6 1 . 2 4 7 .
.123.456...4...7....8...1....7...2....34896....1.5.9....5...3....9...8...861.247.
I had a problem with this layout and similar ones that consist of only horizontal and vertical lines.
Are they akin to a perimeter puzzle with some extra clues, see this?
Can the unwanted clue at r6c5 be eliminated? Maybe jpf can help, as he did once before?
Mike
P.S. As a perimeter puzzle:
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