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by kd0amg 4845 days ago
Once the block gets low enough, there might be things visible even while facing sideways or up:

  X        X
  XO       X
  XO     OOX
  XO     OOX
  XO  oo  OX
  XO  oo  OX
  XO      OX
  XO      OX
  XXXXXXXXXX