Undefined Character (U+137C7)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓟇` `𓟇`
UTF-8 Encoding:	`0xF0 0x93 0x9F 0x87`
UTF-16 Encoding:	`0xD80D 0xDFC7`
UTF-32 Encoding:	`0x000137C7`

References