As character names:

U+03F6 GREEK REVERSED LUNATE EPSILON SYMBOL character (϶)

As raw characters:

϶

As a string of HTML entities:

϶

Decoder output:

Byte number 1 is decimal 207, hex 0xCF, octal \317, binary 11001111
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 182, hex 0xB6, octal \266, binary 10110110
This is continuation byte 1, expecting 0 more.

U+03F6	GREEK REVERSED LUNATE EPSILON SYMBOL
	= reversed straight epsilon
	x (small contains as member - 220D)