octave: X11 DISPLAY environment variable not set
octave: disabling GUI features
error: writing file '/.octave_hist': Read-only file system
error: ignoring const octave::execution_exception& while preparing to exit

Invalid input
    7   14   16   73
   88   20   22   54
   19   21    3   60
   25    2    9   61
    1
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Invalid input
    7   14   16   73
   88   20   22   54
   19   21    3   60
   25    2    9   61
    1    2    3    4    5
    6    7    8    9   10
   11   12   13   14   15
   16   17   18   19   20
   21   22   23   24   25