t.', 4]); }
  if (ix !== 5) { poss.push(['to the center.', 5]); }
  if (ix !== 6) { poss.push(['to the center right.', 6]); }
  if (ix !== 7) { poss.push(['to the bottom left.', 7]); }
  if (ix !== 8) { poss.push(['to the bottom center.', 8]); }
  if (ix !== 9) { poss.push(['to the bottom right.', 9]); }
  // relative options
  if (ix > 3) { poss.push(['up by one.', ix-3]); }
  if (ix < 7) { poss.push(['down by one.', ix+3]); }
  if (ix%3 !== 1) { poss.push(['left by one.', ix-1]); }
  if (ix%3 !== 0) { pos