local card_level = {
	[1]={
		["cost_2"]={
			3,
			0
		},
		["unlock_skill"]=1
	},
	[2]={
		["cost_2"]={
			5,
			100
		}
	},
	[3]={
		["cost_2"]={
			10,
			250
		},
		["cost_3"]={
			3,
			0
		}
	},
	[4]={
		["cost_2"]={
			25,
			500
		},
		["cost_3"]={
			5,
			500
		},
		["unlock_skill"]=2
	},
	[5]={
		["cost_2"]={
			50,
			1000
		},
		["cost_3"]={
			10,
			500
		},
		["cost_4"]={
			3,
			500
		}
	},
	[6]={
		["cost_2"]={
			100,
			1000
		},
		["cost_3"]={
			25,
			500
		},
		["cost_4"]={
			5,
			500
		}
	},
	[7]={
		["cost_2"]={
			200,
			10000
		},
		["cost_3"]={
			50,
			10000
		},
		["cost_4"]={
			10,
			500
		}
	},
	[8]={
		["cost_2"]={
			500,
			10000
		},
		["cost_3"]={
			100,
			10000
		},
		["cost_4"]={
			20,
			10000
		},
		["unlock_skill"]=3
	},
	[9]={
		["cost_2"]={
			1000,
			10000
		},
		["cost_3"]={
			200,
			10000
		},
		["cost_4"]={
			40,
			10000
		}
	},
	[10]={
		["cost_2"]={
			1500,
			10000
		},
		["cost_3"]={
			400,
			10000
		},
		["cost_4"]={
			80,
			10000
		}
	},
	[11]={
		["cost_2"]={
			2000,
			10000
		},
		["cost_3"]={
			1000,
			10000
		},
		["cost_4"]={
			160,
			10000
		}
	},
	[12]={
		["cost_2"]={
			2500,
			10000
		},
		["cost_3"]={
			1500,
			10000
		},
		["cost_4"]={
			320,
			10000
		}
	},
	[13]={
		["cost_2"]={
			3000,
			10000
		},
		["cost_3"]={
			2000,
			10000
		},
		["cost_4"]={
			640,
			10000
		}
	},
	[14]={
		["cost_2"]={
			4000,
			10000
		},
		["cost_3"]={
			3000,
			10000
		},
		["cost_4"]={
			1000,
			10000
		}
	},
	[15]={
		["cost_2"]={
			5000,
			10000
		},
		["cost_3"]={
			4000,
			10000
		},
		["cost_4"]={
			1500,
			10000
		}
	}
}
local config = {
data=card_level,count=15
}
return config