As character names:

U+1EAE LATIN CAPITAL LETTER A WITH BREVE AND ACUTE character (Ắ)

As raw characters:

Ắ

As a string of HTML entities:

Ắ

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 186, hex 0xBA, octal \272, binary 10111010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 174, hex 0xAE, octal \256, binary 10101110
This is continuation byte 2, expecting 0 more.

U+1EAE	LATIN CAPITAL LETTER A WITH BREVE AND ACUTE
	: 0102 0301