⠀⠀⠀⠀
1
12
4
9
1
12
4
9
20
1000 
1000
400
100
+118
1000
1000
400
100
+93
1000
1000
400
100
+136
1000
1000
400
100
+68
1000
1000
400
100
+79
1000
1000
400
100
+31
1000
1000
400
100
+78
