Manually edit obstructions in LEF
diff --git a/lef/trainable_nn.lef b/lef/trainable_nn.lef
index cd3ddec..adf915b 100644
--- a/lef/trainable_nn.lef
+++ b/lef/trainable_nn.lef
@@ -5570,7 +5570,7 @@
       LAYER met3 ;
         RECT 2.825 2.215 1481.830 1988.485 ;
       LAYER met4 ;
-        RECT 4.895 10.240 20.640 1954.145 ;
+        RECT 0.000 10.240 20.640 1954.145 ;
         RECT 23.040 10.240 97.440 1954.145 ;
         RECT 99.840 10.240 174.240 1954.145 ;
         RECT 176.640 10.240 251.040 1954.145 ;
@@ -5589,8 +5589,9 @@
         RECT 1175.040 10.240 1249.440 1954.145 ;
         RECT 1251.840 10.240 1326.240 1954.145 ;
         RECT 1328.640 10.240 1403.040 1954.145 ;
-        RECT 1405.440 10.240 1450.545 1954.145 ;
-        RECT 4.895 2.215 1450.545 10.240 ;
+        RECT 1405.440 10.240 1500.000 1954.145 ;
+        RECT 0.000 0.000 1500.000 10.240 ;
+        RECT 0.000 1954.145 1500.000 2000.000 ;
   END
 END trainable_nn
 END LIBRARY