int#c#s,int#c#s,intListList#c#s,int#c#s id,num,costs,group 1,1,10010001#1000,1 2,3,10010001#2000,1 3,5,10010001#3000,1 4,7,10010001#4000,1 5,9,10010001#5000,1 6,1,10010001#1000,2
