A drawing and two JSON files

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Fabio Vitali                                          The sage and the fool
Dept. of Informatics                                     go to their graves
Univ. of Bologna  ITALY                               alike in this respect:
phone:  +39 051 2094872                  both believe the sage to be a fool.
e-mail:                   Where, then, may wisdom be found?
http://vitali.web.cs.unibo.it/   Qi, "Neither Yes nor No", The codeless code