Unicode characters represented by 5 Hex symbols combination instead of 4! (Surrogate characters to represent characters from and above 65536 would not be necessary at all!)
Download the ".txt" file from video here:
http://www.mediafire.com/file/tu0k1ujmwlx075l/Unicode_-_5_Hex_symbols_Comb.rar/file
Keywords:
Unicode - 5 Hex symbols Combination