{
 "prod_render_A(sage)": {
  "x": 4.48,
  "y": 8.09,
  "mean_diff": 16.31
 },
 "z42_tiled": {
  "x": 9.03,
  "y": 21.31,
  "mean_diff": 20.52
 },
 "z42_tiled_FIXED": {
  "x": 5.23,
  "y": 22.05,
  "mean_diff": 27.35
 },
 "z42_untiled": {
  "x": 8.4,
  "y": 29.37,
  "mean_diff": 18.95
 }
}