Undefined Character (U+141DE)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𔇞` `𔇞`
UTF-8 Encoding:	`0xF0 0x94 0x87 0x9E`
UTF-16 Encoding:	`0xD810 0xDDDE`
UTF-32 Encoding:	`0x000141DE`

References