END OF PROOF
U+220E
∎
Block
Mathematical Operators
Category
Math Symbol
UTF-8
0xE2 0x88 0x8E
UTF-16
0xFF 0xFE 0xE 0x22
UTF-32
0xFF 0xFE 0x0 0x0 0xE 0x22 0x0 0x0
HTML
∎
Python
u"\u220E"