public static Trigram fromStringRep(String s1, String s2, String s3)
			throws NumberFormatException, IOException {
		return Trigram.of(decodeCodePoint(s1), decodeCodePoint(s2), decodeCodePoint(s3));
	}
Three (3) adjacent characters, with \0 being reserved for start and end of string magic values.

@param codePoints 3 characters (as int32 code points)
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/strings/Trigram.java