Rotational Sums of 9 or 18 No. 2
(Published on 20. April 2026, 15:17 by RailMan)
Normal sudoku rules apply. Place the digits 1 - 9 once in every row, column and box.
Digits separated by a white dot are consecutive. All possible white dots are given.
Rotational Sums of 9 or 18: All digits in the grid have a 180 degree rotational opposite. Every digit and its rotational opposite add to either 9 or 18.
Solve Online : Solution Check is enabled
Try some of my other puzzles using Rotational Symmetry here:
Non Consecutive Thermo Symmetry
Solution code: Row 9
Solved by L00ping007, Spooof, NEWS, SKORP17, Shuhua Milk, HeyItsErin, Voidslime, TheCutmaster, Mozart40, palpot, ole-1995a, Supertaster, schnitzl, pmatos, MattJones, achim-t, drf93, antzervos, JVA, rcg, ... Roberto, Jastucreudo, AlexRaetselt, Rollo, Bos, Saskia11, MTFlowCzq, stafen, Uhu, pepe74287, thirtynine, timww572, jalebc, flaemmchen, radium, xigua123, Xanda, Topalai, abadx, Raistlen, geronimo92
Comments
on 22. July 2026, 23:57 by abadx
Quite straightforward after thinking a bit about the symmetry implications
