Brace yourself, winter is coming
3 l
4
1000 
1000
400
100
+167
1000
1000
400
100
+73
1000
1000
400
100
+105
1000
1000
400
100
+101
1000
1000
400
100
+207
1000
1000
400
100
+368
1000
1000
400
100
+92
1000
1000
400
100
+212