Undefined Character (U+EF420)

Plane:	Supplementary Special-purpose Plane, U+E0000 - U+EFFFF^[1]
HTML Entity:	`󯐠` `󯐠`
UTF-8 Encoding:	`0xF3 0xAF 0x90 0xA0`
UTF-16 Encoding:	`0xDB7D 0xDC20`
UTF-32 Encoding:	`0x000EF420`

References