Futoshiki Puzzles - 200 Hard to Very Hard Puzzles 7x7 vol.28 - Paperback

by Liam Parker (Author)

Futoshiki(from Japanese, literally "not equal"; also known as "Hutoshiki", "Unequal")Place numbers of the given range in the grid 7x7 such that every row and column contains each number exactly once. Inequality constraints must be satisfied. The open end of the sign denotes the greater number.