Undefined Character (U+1BBF9)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𛯹` `𛯹`
UTF-8 Encoding:	`0xF0 0x9B 0xAF 0xB9`
UTF-16 Encoding:	`0xD82E 0xDFF9`
UTF-32 Encoding:	`0x0001BBF9`

References