What is the lowest octal with a 30 hexadecimal and less than 0 glyphs?
CREATE TABLE "evolution_of_symbols" (
  "binary" real,
  "octal" real,
  "decimal" real,
  "hexadecimal" real,
  "glyph" real
);
SELECT MIN("octal") FROM "evolution_of_symbols" WHERE "hexadecimal"=30 AND "glyph"<0;