Undefined Character (U+13978)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓥸` `𓥸`
UTF-8 Encoding:	`0xF0 0x93 0xA5 0xB8`
UTF-16 Encoding:	`0xD80E 0xDD78`
UTF-32 Encoding:	`0x00013978`

References