  cells, x0.9: rejected 393/393
  cells, c0-1e-3: rejected 393/393
  cells, c6=0: rejected 375/375
  cells, u2+1/20: rejected 393/393
  cells, a1-1/20: rejected 363/363
  cells, a2+1/50 (informational, slack allowed): rejected 382/393
  boxes, c4x100: rejected 128/128
  boxes, c4/100: rejected 128/128
  boxes, u->[1.74,1.76]: rejected 8/8
  control: cells accepted 393/393, boxes accepted 128/128
  near-dictator constant at a = 9/10, u = 27/16: 1.2899 (> 1 expected): rejected
  tiling with one cell removed: rejected (area)
NEGATIVE TESTS: as expected
