As character names:

U+301F LOW DOUBLE PRIME QUOTATION MARK character (〟)

As raw characters:

〟

As a string of HTML entities:

〟

Decoder output:

Byte number 1 is decimal 227, hex 0xE3, octal \343, binary 11100011
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 128, hex 0x80, octal \200, binary 10000000
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 2, expecting 0 more.

U+301F	LOW DOUBLE PRIME QUOTATION MARK
	* may be depicted as low inverse double prime quotation mark