As character names:

U+2B3F WAVE ARROW POINTING DIRECTLY LEFT 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 172, hex 0xAC, octal \254, binary 10101100
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 191, hex 0xBF, octal \277, binary 10111111
This is continuation byte 2, expecting 0 more.

U+2B3F	WAVE ARROW POINTING DIRECTLY LEFT
	x (wave arrow pointing directly right - 2933)
	x (leftwards wave arrow - 219C)