Undefined Character (U+16D99)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖶙` `𖶙`
UTF-8 Encoding:	`0xF0 0x96 0xB6 0x99`
UTF-16 Encoding:	`0xD81B 0xDD99`
UTF-32 Encoding:	`0x00016D99`

References