Undefined Character (U+1199F)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑦟` `𑦟`
UTF-8 Encoding:	`0xF0 0x91 0xA6 0x9F`
UTF-16 Encoding:	`0xD806 0xDD9F`
UTF-32 Encoding:	`0x0001199F`

References