The rules
- Place the given numbers into the grid.
- Each row and column must match the sum shown at its edge.
- Tap a cell and pick a number.
Getting started: A row or column with a very low or high sum has few possible numbers — place those first.
Step by step
- 111716418161811
1Place the numbers so each row and column matches the edge sum.
- 1117616418161811
2Last empty cell in its column: the sum 11 forces 6.
- 11176169418161811
3Only 9 fits here once the sums and "each number used once" are taken into account.
- 811176169418161811
4Only 8 fits here once the sums and "each number used once" are taken into account.
4 more steps in this walkthrough — the full step-by-step solve is a Pluss feature. About Pluss →
Real puzzle no. 3853, solved step by step by the logic solver.
Common questions
Can I play right in the browser?
Yes. Pick a Shuffle puzzle and solve it on screen — press “Check” to see if you are on track, and “Hint” if you get stuck. You can also print it.
Can I link to a specific puzzle?
Of course. Every puzzle has a number, and you can link straight to it: puzzles.flogvit.com/eng/shuffle?nr=100. Replace 100 with the puzzle number — handy for challenging a friend with the very same puzzle.
Can I print the puzzles?
Yes. Each type has a print sheet for one or four puzzles with the answers on a separate page.
Are the puzzles free to use?
Yes, this is a free service. If you want to publish the puzzles elsewhere you must arrange it first — see copyright.