Avoid Special Cases

  62      }else {
  63         $squares = [
  64                     ['?', '?', '?'],
  65                     ['?', '?', '?'],
  77                     ['?', '?', '?']
  67                    ];
  68      }

Do we really need this?
If we eliminated the if-else, $squares would be full of undefs
Does that work?
No.
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