As character names:

U+17CD KHMER SIGN TOANDAKHIAT character (៍)

As raw characters:

៍

As a string of HTML entities:

៍

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 141, hex 0x8D, octal \215, binary 10001101
This is continuation byte 2, expecting 0 more.

U+17CD	KHMER SIGN TOANDAKHIAT
	* indicates that the base character is not pronounced
	x (thai character thanthakhat - 0E4C)