END OF PROOF U+220E

BlockMathematical Operators
CategoryMath Symbol
UTF-80xE2 0x88 0x8E
UTF-160xFF 0xFE 0xE 0x22
UTF-320xFF 0xFE 0x0 0x0 0xE 0x22 0x0 0x0
HTML∎
Pythonu"\u220E"