Code point
U+3341
Glyph appearance depends on your fonts.
U+3341
So<square> 30DB 30FC 30EBU+3341 SQUARE HOORU 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+3341
13121
㍁
㍁
E3 8D 81
3341
00003341
%E3%8D%81
\u3341
\u3341
\u3341
\3341