Undefined Character (U+1E581)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞖁` `𞖁`
UTF-8 Encoding:	`0xF0 0x9E 0x96 0x81`
UTF-16 Encoding:	`0xD839 0xDD81`
UTF-32 Encoding:	`0x0001E581`

References