The drawing is the actual size requested. It must be centered on the paper precisely as shown.
Points are placed round the sides of the drawings at intervals of 5 cm and numbered one to forty-eight. These are the ends of the first bar for each direction. No numbers to be shown in the print. The bars are one cm wide. When they pass under another bar they gain a parallel one. The interval between is also one cm. It is important to follow the order of the numbering on the side of the drawing from top to bottom. The colors should be as in the drawing.