Undefined Character (U+16D89)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖶉` `𖶉`
UTF-8 Encoding:	`0xF0 0x96 0xB6 0x89`
UTF-16 Encoding:	`0xD81B 0xDD89`
UTF-32 Encoding:	`0x00016D89`

References