River Upscaling
(Published on 12. August 2026, 17:00 by gadgetgreen)
Normal Sudoku rules apply (digits 1-9 once each in every row, column and 3x3 box).
Region sum: On the blue line, digits have an equal sum N within each box it passes through.
Arrows: The digits on the arrow path add to the digit in the circled cell.
Solution code: Row 5
Last changed on -
Solved by Mathemagier, PinkNickels, tiuhto, jalebc, Merovius, mijq, RadchenkoAleksandr, Bellsita, Mc2, SKORP17, rlg, fuxia, MarthaB, doomedmageknight, ome86, Pioooooo, maniacaljackal, alex_zatz, mezkur7, ... josemadre, Krisonium, trencaclosques, stafen, Wenir, das, flaemmchen, zixx, Harrowhark, Geese, Ste1729, ebulku, patrickH, TroublesomeOrca, Vaurien, lutzreimer, Raistlen, radium, imagle, TaeChi
