if(lY >= gridH)
	throw new RangeError(`lower y-bound ${lY} exceeds grid bounds`);
if(lX >= gridW)
	throw new RangeError(`lower x-bound ${lX} exceeds grid bounds`);
if(uY < 0)
	throw new RangeError(`upper y-bound ${uY} exceeds grid bounds`);
if(uX < 0)
	throw new RangeError(`upper x-bound ${uX} exceeds grid bounds`);

Spaceship xq3_0c03888z15d:
  Cells: 13
  Heat: 15 1/3 (15.333)
  Mod: 3
  Period: 3
  Speed: 1/3 c

Spaceship xq4_270o ("sidewinder"):
  Cells: 6
  Heat: 8
  Mod: 2
  Period: 4
  Speed: 1/4 c

Spaceship xq26_268wvs:
  Cells: 8
  Heat: 9 5/13 (9.3846)
  Mod: 26
  Period: 26
  Speed: 1/13 c

x = 7, y = 9, rule = B3/S01367
3bo$3bo$5bo$3o2bo2$4b3o2$4b2o$4bo!

Traceback (most recent call last):
  File "main.py", line 59, in <module>
    main()
  File "main.py", line 36, in main
    v_instance = v.V(args)
  File "/opt/V/v.py", line 31, in __init__
    self.nvim_instance = neovim.attach("child", argv=args)
  File "/usr/local/lib/python2.7/dist-packages/neovim/__init__.py", line 85, in attach
    child_session(argv) if session_type == 'child' else
  File "/usr/local/lib/python2.7/dist-packages/neovim/msgpack_rpc/__init__.py", line 42, in child_session
    return session('child', argv)