As character names:

U+332C SQUARE PAATU character (㌬)

As raw characters:

㌬

As a string of HTML entities:

㌬

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 140, hex 0x8C, octal \214, binary 10001100
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 172, hex 0xAC, octal \254, binary 10101100
This is continuation byte 2, expecting 0 more.

U+332C	SQUARE PAATU
	* a mistaken, unused representation originally intended for the Thai baht currency sign
	x (thai currency symbol baht - 0E3F)
	# <square> 30D1 30FC 30C4