Mainarizumu (マイナリズム), also known as Minarism, is a type of logic puzzle published by Nikoli.
Rules Mainarizumu is played on a square grid, typically 7x7 or smaller, with two kinds of clues: a greater-than or less-than sign connecting two adjacent squares, or a circled digit connecting two adjacent squares. The solver is to enter a digit into every square so that: No digit is repeated in any row or column (much like in Sudoku puzzles). If two squares are connected by a greater-than or less-than sign, then the digits in those squares must obey that inequality. If two squares are connected by a circled digit, then the digits in those squares must differ by exactly that amount.
See also List of Nikoli puzzle types
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