layout_2by2

layout.json

{
    "layout": "splitv",
    "percent": 0.5,
    "type": "con",
    "nodes": [
        {
            "name": "Agent1",
            "percent": 0.5,
            "type": "con",
            "swallows": [ {"class": "BipedalWalker"}]
        },
        {
            "name": "Agent2",
            "percent": 0.5,
            "type": "con",
            "swallows": [ {"class": "BipedalWalker"}]
        }
    ]
}

{
    "layout": "splitv",
    "percent": 0.5,
    "type": "con",
    "nodes": [
        {
            "name": "Agent3",
            "percent": 0.5,
            "type": "con",
            "swallows": [ {"class": "BipedalWalker"}]
        },
        {
            "name": "Agent4",
            "percent": 0.5,
            "type": "con",
            "swallows": [ {"class": "BipedalWalker"}]
        }
    ]
}