Undefined Character (U+13901)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓤁` `𓤁`
UTF-8 Encoding:	`0xF0 0x93 0xA4 0x81`
UTF-16 Encoding:	`0xD80E 0xDD01`
UTF-32 Encoding:	`0x00013901`

References