Code point
U+3377
Glyph appearance depends on your fonts.
U+3377
So<square> 0064 006DU+3377 SQUARE DM 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+3377
13175
㍷
㍷
E3 8D B7
3377
00003377
%E3%8D%B7
\u3377
\u3377
\u3377
\3377