| HTML Entity (dec) | ⬫ |
| HTML Entity (hex) | ⬫ |
| UTF-8 (hex) | 0xe2acab / 0xe2 0xac 0xab (3 bytes) |
| UTF-8 (dec) | 226, 172, 171 (3 bytes) |
| UTF-16-BE (hex) | 0x2b2b / 0x2b 0x2b (2 bytes) |
| UTF-16-BE (dec) | 43, 43 (2 bytes) |
| UTF-32-BE (hex) | 0x2b2b / 0x00 0x00 0x2b 0x2b (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 43, 43 (4 bytes) |
| C/C++/Java source code | "\u2b2b" |
| Python source code | "\u2b2b" |