Undefined Character (U+1375F)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓝟` `𓝟`
UTF-8 Encoding:	`0xF0 0x93 0x9D 0x9F`
UTF-16 Encoding:	`0xD80D 0xDF5F`
UTF-32 Encoding:	`0x0001375F`

References