c(1) = ' ';
c(2) = '*';

for i = 0 : 50
  if ( i == 0 )
    row = zeros ( 1, 80 );
    row(40) = 1;
  else
    row = ca_step ( row );
  end
  fprintf ( '%d', row );
% fprintf ( '%c', c(row+1) );
  fprintf ( '\n' );
end
