Undefined Character (U+1189F)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑢟` `𑢟`
UTF-8 Encoding:	`0xF0 0x91 0xA2 0x9F`
UTF-16 Encoding:	`0xD806 0xDC9F`
UTF-32 Encoding:	`0x0001189F`

References