Code point
U+3334
Glyph appearance depends on your fonts.
U+3334
So<square> 30D6 30C3 30B7 30A7 30EBU+3334 SQUARE BUSSYERU 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+3334
13108
㌴
㌴
E3 8C B4
3334
00003334
%E3%8C%B4
\u3334
\u3334
\u3334
\3334