Undefined Character (U+12FF3)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𒿳` `𒿳`
UTF-8 Encoding:	`0xF0 0x92 0xBF 0xB3`
UTF-16 Encoding:	`0xD80B 0xDFF3`
UTF-32 Encoding:	`0x00012FF3`

References