As character names:

U+203C DOUBLE EXCLAMATION MARK character (‼)

As raw characters:

‼

As a string of HTML entities:

‼

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
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 188, hex 0xBC, octal \274, binary 10111100
This is continuation byte 2, expecting 0 more.

U+203C	DOUBLE EXCLAMATION MARK
	x (exclamation mark - 0021)
	# 0021 0021