return
{
  entities =
  {
    {"iron-chest", {x = -1, y = -2}, {items = {["speed-processor"] = 4}, }},
    {"red-inserter", {x = 1, y = -2}, {dir = "west", }},
    {"assembling-machine-2", {x = -1, y = 1}, {}},
    {"red-inserter", {x = -1, y = -1}, {dir = "south", }},
    {"flat-lamp", {x = 1, y = -1}, {}},
    {"flat-lamp", {x = 2, y = -1}, {}},
    {"flat-lamp", {x = 2, y = 0}, {}},
    {"lighted-medium-electric-pole", {x = 1, y = 0}, {}},
    {"iron-chest", {x = 2, y = 1}, {items = {["module-contact"] = 34}, }},
  },
}