As character names:

U+2B36 LEFTWARDS TWO-HEADED ARROW FROM BAR 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 182, hex 0xB6, octal \266, binary 10110110
This is continuation byte 2, expecting 0 more.

U+2B36	LEFTWARDS TWO-HEADED ARROW FROM BAR
	x (rightwards two-headed arrow from bar - 2905)