Undefined Character (U+1CDEF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𜷯` `𜷯`
UTF-8 Encoding:	`0xF0 0x9C 0xB7 0xAF`
UTF-16 Encoding:	`0xD833 0xDDEF`
UTF-32 Encoding:	`0x0001CDEF`

References