Undefined Character (U+1377F)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓝿` `𓝿`
UTF-8 Encoding:	`0xF0 0x93 0x9D 0xBF`
UTF-16 Encoding:	`0xD80D 0xDF7F`
UTF-32 Encoding:	`0x0001377F`

References