100% hetero
3 l
2
1000 
1000
400
100
+132
1000
1000
400
100
+102
1000
1000
400
100
+72
1000
1000
400
100
+252
1000
1000
400
100
+271
1000
1000
400
100
+116
1000
1000
400
100
+45
1000
1000
400
100
+112