Seven by seven is about as large as futoshiki gets before the bookkeeping outweighs the fun, and these are built for solvers who want that edge. With seven candidates per cell and no box regions to lean on, you will be pencilling candidate lists rather than solving in your head, and the breakthroughs come from noticing that a chain has quietly reduced a whole column's options. It is a slow, deliberate puzzle — closer in feel to a hard kakuro than to a newspaper sudoku.
One 7x7 futoshiki per page, laid out with cells wide enough for a full row of pencilled candidates and inequality signs that stay distinct at that scale. Each puzzle is matched with an answer page showing the completed grid. All PDFs print black on white with no heavy fills, one puzzle per US Letter page.
Write candidates in a fixed position within each cell — 1 top-left through 7 bottom-right, always the same spot — so you can scan a column for a value without rereading every cell. This positional habit is what makes large futoshiki tractable; unordered candidate lists become unreadable after two passes.
What is the most common mistake at this size?
Applying a sign to the wrong pair. On a dense grid it is easy to read a sign as governing a cell one place along, especially in a vertical chain. Confirming the two cells either side of each sign before you use it costs a second and saves restarting.
Is a 7x7 futoshiki solvable without guessing?
Yes. A well-formed futoshiki has one solution reachable by logic alone. At this size the required chain of deductions is long, which is why it feels like guessing when you are tired — but the forced step is always there, usually in a chain you have not re-examined since pruning candidates.
How long should I set aside?
Twenty to forty minutes is realistic for a solver comfortable with 6x6 grids. It is not a puzzle to start five minutes before you need to leave — the candidate marks are most of the work and losing them means starting over.