Almost 30 years ago a Japanese custodian sat in front of a large A1 size sheet of white paper, whipped out a pen and started drawing the beginnings of diabolically complex maze, each twist and turn springing spontaneously from his brain onto the paper without aid of a computer. The hobby would consume him as he drew in his spare time until its completion nearly 7 years later when the final labyrinth was rolled up and almost forgotten.
