> http://mr-31238.mr.valuehost.co.uk/assets/Flash/psychic.swf?GXHC_GX_jst=8258 > c07950ea6165 Very clever Any 2 digit number = 10A + B So taking away the two digits gives 10A + B - A - B = 9A So the chart should have a common symbol at every 9 * N th position Which it does. The "mysticism" is maintained by changing the symbol set at every iteration so users are less likely to realise what is happening. . RM -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics