Undefined Character (U+1E8EF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞣯` `𞣯`
UTF-8 Encoding:	`0xF0 0x9E 0xA3 0xAF`
UTF-16 Encoding:	`0xD83A 0xDCEF`
UTF-32 Encoding:	`0x0001E8EF`

References