Undefined Character (U+11891)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑢑` `𑢑`
UTF-8 Encoding:	`0xF0 0x91 0xA2 0x91`
UTF-16 Encoding:	`0xD806 0xDC91`
UTF-32 Encoding:	`0x00011891`

References