Manually edit obstructions in LEF to fix the PDN

lef/trainable_nn.lef

diff --git a/lef/trainable_nn.lef b/lef/trainable_nn.lef
index b3abb34..3d388b1 100644
--- a/lef/trainable_nn.lef
+++ b/lef/trainable_nn.lef
@@ -5666,16 +5666,17 @@
       LAYER met3 ;
         RECT 6.505 2.215 597.475 788.965 ;
       LAYER met4 ;
-        RECT 8.575 10.240 20.640 767.545 ;
-        RECT 23.040 10.240 97.440 767.545 ;
-        RECT 99.840 10.240 174.240 767.545 ;
-        RECT 176.640 10.240 251.040 767.545 ;
-        RECT 253.440 10.240 327.840 767.545 ;
-        RECT 330.240 10.240 404.640 767.545 ;
-        RECT 407.040 10.240 481.440 767.545 ;
-        RECT 483.840 10.240 558.240 767.545 ;
-        RECT 560.640 10.240 586.665 767.545 ;
-        RECT 8.575 2.215 586.665 10.240 ;
+        RECT 0.000 10.240 20.640 789.040 ;
+        RECT 23.040 10.240 97.440 789.040 ;
+        RECT 99.840 10.240 174.240 789.040 ;
+        RECT 176.640 10.240 251.040 789.040 ;
+        RECT 253.440 10.240 327.840 789.040 ;
+        RECT 330.240 10.240 404.640 789.040 ;
+        RECT 407.040 10.240 481.440 789.040 ;
+        RECT 483.840 10.240 558.240 789.040 ;
+        RECT 560.640 10.240 600.000 789.040 ;
+        RECT 0.000 0.000 600.000 10.240 ;
+        RECT 0.000 789.040 600.000 800.000 ;
   END
 END trainable_nn
 END LIBRARY