Undefined Character (U+138A8)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓢨` `𓢨`
UTF-8 Encoding:	`0xF0 0x93 0xA2 0xA8`
UTF-16 Encoding:	`0xD80E 0xDCA8`
UTF-32 Encoding:	`0x000138A8`

References