42:70 · One of the signs for sulphur used in alchemy. The most common sign for sulphur was .
    This type of structures small circles connected by straight lines is very old. It has been found in ancient China and on Nordic rock carvings. In China, these structures are signs for different constellations of stars.
    In cabbalistic mysticist contexts similar structures are used to denote stars, sounds, and numbers. Structures of this type are also common in modern electronics and telecommunications.