As character names:

U+2FF9 IDEOGRAPHIC DESCRIPTION CHARACTER SURROUND FROM UPPER RIGHT 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 191, hex 0xBF, octal \277, binary 10111111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 185, hex 0xB9, octal \271, binary 10111001
This is continuation byte 2, expecting 0 more.

U+2FF9	IDEOGRAPHIC DESCRIPTION CHARACTER SURROUND FROM UPPER RIGHT