Undefined Character (U+1E660)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞙠` `𞙠`
UTF-8 Encoding:	`0xF0 0x9E 0x99 0xA0`
UTF-16 Encoding:	`0xD839 0xDE60`
UTF-32 Encoding:	`0x0001E660`

References