U+324A CIRCLED NUMBER THIRTY ON BLACK SQUARE

The Unicode character U+324A, officially named CIRCLED NUMBER THIRTY ON BLACK SQUARE, was introduced in Unicode version 5.2. It is part of the Enclosed CJK block, which belongs to the Basic Multilingual plane.

Categorized technically as a Other Number, this character typically falls under the Common script. In terms of text layout and rendering, the glyph is not a composition and has ambiguous in East Asian typography. When placed in bidirectional text, it behaves as an Left-To-Right character. Its visual representation remains not mirrored regardless of the reading direction.