Undefined Character (U+13FF4)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓿴` `𓿴`
UTF-8 Encoding:	`0xF0 0x93 0xBF 0xB4`
UTF-16 Encoding:	`0xD80F 0xDFF4`
UTF-32 Encoding:	`0x00013FF4`

References