Undefined Character (U+1DFE3)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𝿣` `𝿣`
UTF-8 Encoding:	`0xF0 0x9D 0xBF 0xA3`
UTF-16 Encoding:	`0xD837 0xDFE3`
UTF-32 Encoding:	`0x0001DFE3`

References