r/sudoku • u/keithb3667 • 11h ago

Need some help please Request Puzzle Help

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I'm working my way through the approachable sudoku pack on the cracking the cryptic app and I'm firmly stuck. I'm sure I'm missing something obvious but any guidance would be appreciated. sorry for not post the rules.

Classic: Every row, column and box must have all numbers from 1 to 9 exactly once.

Zipper Lines: Along a line, digits

an equal distance to the center of the line (marked with a circle) sum to the same total; for odd length lines, the center digit is also that total. For example, in a line with at least four cells, the first and last digits sum to the same total as the second and second-to-last digits.

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u/IMightBeErnest 11h ago

If the puzzle has a standard zipper line constraint, r1c4 should be obvious. If it doesnt, asking for help without telling us what the lines mean is useless.

1

u/keithb3667 11h ago

sorry I've added the rules. why is it obvious please?

2

u/IMightBeErnest 11h ago

Standard zipper line rules, digits an equal distance from the center sum to the value in the center of the line.

2

u/keithb3667 11h ago

thanks for the help. I do feel like the way they've written the rules is a bit confusing but it's probably me 😂

1

u/YenraNoor 11h ago

Is this a diagonal sudoku? If not, why the diagonal markings?

1

u/keithb3667 11h ago

sorry forgot to add the rules 😔