airWar/airPlay/assets/resources/json/level.json

{
    "1":{
        "next":2,
        "nest":1
    },
    "2":{
        "next":3,
        "nest":2
    },
    "3":{
        "next":4,
        "nest":3
    },
    "4":{
        "next":5,
        "nest":4
    },
    "5":{
        "next":"",
        "nest":5
    }
}