Japanese 159
(Published on 16. December 2021, 12:44 by HawkAvatar)
Rules:
Normal Sudoku rules apply
Japanese sums: Shade some cells such that the clues outside the grid indicate the sums of the digits in contiguous blocks of shaded cells in the row/column. Blocks have to be separated by at least one unshaded cell.
Twisted 159: Digits in shaded cells in column c indicate the column in which the digit c appears in that row.
Example: if r3c3 were a shaded cell with a 6 in it, then r3c6 would be a 3
Negative constraint: All cells that satisfy the twisted 159 rule are shaded
Link:
Penpa (Answer check enabled for entered digits, ignores shading)
Solution code: Column 7 followed by row 8 (18 digits)
Comments
on 9. February 2022, 22:05 by josemadre
Wow, this was a lot of fun, thanks for the puzzle!
on 19. December 2021, 22:13 by Krokant
Nice combination. Fun!
on 16. December 2021, 16:50 by marcmees
became really interesting below "the horizon".
on 16. December 2021, 16:27 by aruvi
Very approachable and Beautiful, just beautiful. I loved how it came together, plus some sharp negative 159 constraint deductions to resolve it in the end.
