Undefined Character (U+13EF8)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓻸` `𓻸`
UTF-8 Encoding:	`0xF0 0x93 0xBB 0xB8`
UTF-16 Encoding:	`0xD80F 0xDEF8`
UTF-32 Encoding:	`0x00013EF8`

References