Undefined Character (U+11389)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑎉` `𑎉`
UTF-8 Encoding:	`0xF0 0x91 0x8E 0x89`
UTF-16 Encoding:	`0xD804 0xDF89`
UTF-32 Encoding:	`0x00011389`

References