Puzzle 31: Pyramid, knapp daneben

Here’s a “knapp daneben” pyramid puzzle, i.e., all clues are off by one. Please excuse the slight asymmetry, it’s because the bottom clues including gaps were meant to be transferred from other puzzles. It’s fall-out of a puzzle contest I’ve helped write, together with the Berlin Stammtisch, which will be held on the weekend of June 28. See the instruction booklet.


Rules Place a number from 1 to 9 in each cell, such that for any two horizontal neighbours, the number between and above the two is their sum or their difference. In gray rows, all numbers must be distinct, while in white rows, there must be at least one pair of duplicate numbers. All given numbers are off by one.

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