Depending on the density of the symbols, these are displayed alternately in different colors, so that they can be kept apart within the quadrants AH and 1-8, as in overlapping cases one of the numbering is sometimes unreadable..
There is a table of contents, in which one with the card number and the raster, z.. B. E6 and the color of the symbol very quickly finds the appropriate place.


~womo66~fritz14~palstek~debrequ~wr~adier~, 2014-02-18