{
  "x": [
    0,
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9
  ],
  "y": [
    0.0,
    0.0,
    0.0,
    0.0,
    0.0,
    1.0,
    1.0,
    1.0,
    1.0,
    1.0
  ],
  "description": "Step up middle"
}