<pre>
6 2 5 5 4 5 6 3 7

6. The number of segments on a standard calculator display it takes
to represent the digits starting with 0.
  ''       ''   ''       ''   ''   ''   ''   ''
 || ||   ||  ''||  ''|| ||''|| ||''  ||''    || ||''|| ||_||
 ||''||   || ||''   ''||   ||  ''|| ||''||   || ||''||  _||
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