As character names:

U+0431 CYRILLIC SMALL LETTER BE character (б)

As raw characters:

б

As a string of HTML entities:

б

Decoder output:

Byte number 1 is decimal 208, hex 0xD0, octal \320, binary 11010000
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 177, hex 0xB1, octal \261, binary 10110001
This is continuation byte 1, expecting 0 more.

U+0431	CYRILLIC SMALL LETTER BE