Code point
U+3352
Glyph appearance depends on your fonts.
U+3352
So<square> 30EA 30E9U+3352 SQUARE RIRA is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Compatibility block.
Choose the representation you need, then copy its value.
U+3352
13138
㍒
㍒
E3 8D 92
3352
00003352
%E3%8D%92
\u3352
\u3352
\u3352
\3352