Sandwiched Sevens
(Published on 5. March 2024, 11:38 by Scruffamudda)
Normal sudoku rules apply for the 9x9 grid. All cells outside the grid are equal to the sum of the digits between the 1 and 9 in their corresponding row or column (Sandwich Sums).
Numbers in cells joined by a dot must differ by exactly 7.
All possible dots are given. ie Orthogonally adjacent cells must not have a difference of 7 unless joined by a dot.
Solution code: Bottom row of the 9x9 grid (9 digits)
Solved by marcmees, h5663454, drrrr, kublai, han233ing, yttrio, Snookerfan, dennischen, karen_birgitta, farodin64, sorryimLate
Comments
on 6. March 2024, 18:37 by Snookerfan
Very nice puzzle with a superb finish! Thank you
on 6. March 2024, 15:49 by yttrio
Great puzzle! I especially loved the break-in, and even the very end of the solve had some really cool deductions!
