Undefined Character (U+140DB)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𔃛` `𔃛`
UTF-8 Encoding:	`0xF0 0x94 0x83 0x9B`
UTF-16 Encoding:	`0xD810 0xDCDB`
UTF-32 Encoding:	`0x000140DB`

References