c"\💩"
c"\●"
c"\u{_0000}"
c"\u{0000000}"
c"\u{FFFFFF}"
c"\u{ffffff}"
c"\u{ffffff}"
c"\u{DC00}"
c"\u{DDDD}"
c"\u{DFFF}"
c"\u{D800}"
c"\u{DAAA}"
c"\u{DBFF}"
c"\xы"