diff --git a/gds/user_analog_project_wrapper.gds b/gds/user_analog_project_wrapper.gds
index d7d25d7..007bd5a 100644
--- a/gds/user_analog_project_wrapper.gds
+++ b/gds/user_analog_project_wrapper.gds
Binary files differ
diff --git a/mag/XOR.mag b/mag/XOR.mag
new file mode 100644
index 0000000..fc85739
--- /dev/null
+++ b/mag/XOR.mag
@@ -0,0 +1,15 @@
+magic
+tech sky130B
+timestamp 1662330820
+<< error_p >>
+rect -13 13 1 16
+rect -16 1 1 13
+rect -16 -13 16 1
+rect -13 -16 13 -13
+<< metal1 >>
+rect -13 0 0 16
+rect -13 -16 13 0
+<< metal2 >>
+rect -16 0 0 13
+rect -16 -13 16 0
+<< end >>
diff --git a/mag/user_analog_project_wrapper.mag b/mag/user_analog_project_wrapper.mag
index edc2ecd..d723827 100644
--- a/mag/user_analog_project_wrapper.mag
+++ b/mag/user_analog_project_wrapper.mag
@@ -1,7 +1,7 @@
 magic
 tech sky130B
 magscale 1 2
-timestamp 1662330411
+timestamp 1662330820
 << locali >>
 rect 53780 204191 53850 204462
 rect 513448 44321 513850 44391
@@ -408,8 +408,6 @@
 rect 491344 18733 491350 19033
 rect 488669 17786 488969 17792
 rect 464628 17513 465028 17519
-rect -26 26 26 32
-rect -26 -32 26 -26
 << via1 >>
 rect 22560 691070 26520 692780
 rect 36060 687790 39510 689470
@@ -537,7 +535,6 @@
 rect 464628 17519 465028 17919
 rect 491044 18733 491344 19033
 rect 488669 17792 488969 18092
-rect -26 -26 26 26
 << metal2 >>
 rect 165590 697195 165599 699685
 rect 168089 697195 168098 699685
@@ -1127,8 +1124,6 @@
 rect 44074 1614 46414 1726
 rect 46526 1614 130656 1726
 rect 46414 1605 46526 1614
-rect -32 -26 -26 26
-rect 26 -26 32 26
 rect 524 -800 636 480
 rect 1706 -800 1818 480
 rect 2888 -800 3000 480