Undefined Character (U+10DDF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𐷟` `𐷟`
UTF-8 Encoding:	`0xF0 0x90 0xB7 0x9F`
UTF-16 Encoding:	`0xD803 0xDDDF`
UTF-32 Encoding:	`0x00010DDF`

References