caravel_fix
diff --git a/signoff/caravel_fix b/signoff/caravel_fix
index 52bd3b7..1f4ee14 100644
--- a/signoff/caravel_fix
+++ b/signoff/caravel_fix
@@ -1 +1 @@
-5053c9f545ad243ea471243490b97b4e78f46525 ./gds/caravel_00010003_b.gds
+3d45e76182f96132b3494f7962f18ebc6512d74c ./gds/caravel_00010003_b.gds
diff --git a/signoff/run_metal_fix.out b/signoff/run_metal_fix.out
index 2e08fd0..352d059 100644
--- a/signoff/run_metal_fix.out
+++ b/signoff/run_metal_fix.out
@@ -1,5 +1,5 @@
Finding the prefix used for caravel subcells in the user GDS.
-User prefix is 66
+User prefix is 66_
Replacing cell caravel in the user GDS file.
Reading GDS file for alternate cell caravel
Cell caravel found at position 235669746
@@ -10,16 +10,56 @@
Cell caravel checksum is 12009824
Info: Structure caravel matches checksum 12009824
Info: Structure caravel at 2964238396 to 2976248248 will be replaced by alternate data.
-Prefixing cell user_id_textblock in the user GDS
-Prefixing cell copyright_block in the user GDS
-Prefixing cell open_source in the user GDS
-Prefixing cell storage in the user GDS
-Prefixing cell sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped in the user GDS
-Prefixing cell user_id_programming in the user GDS
-Prefixing cell simple_por in the user GDS
-Prefixing cell gpio_control_block in the user GDS
-Prefixing cell mgmt_core in the user GDS
-Prefixing cell mgmt_protect in the user GDS
-Prefixing cell chip_io in the user GDS
-Prefixing cell user_project_wrapper in the user GDS
+Prefixing caravel subcells in the user GDS
+Running: /usr/share/pdk/bin/change_gds_string.py user_id_textblock 66_user_id_textblock copyright_block 66_copyright_block open_source 66_open_source storage 66_storage sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped 66_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped user_id_programming 66_user_id_programming simple_por 66_simple_por gpio_control_block 66_gpio_control_block mgmt_core 66_mgmt_core mgmt_protect 66_mgmt_protect chip_io 66_chip_io user_project_wrapper 66_user_project_wrapper ./gds/caravel_00010003_b.gds -debug -verbatim
+Original data length = 2976248534
+Replaced b'user_id_textblock\x00' with b'66_user_id_textblock'
+Replaced b'copyright_block\x00' with b'66_copyright_block'
+Replaced b'open_source\x00' with b'66_open_source'
+Replaced b'storage\x00' with b'66_storage'
+Replaced b'sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped' with b'66_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'user_id_programming\x00' with b'66_user_id_programming'
+Replaced b'simple_por' with b'66_simple_por\x00'
+Replaced b'mgmt_core\x00' with b'66_mgmt_core'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'mgmt_protect' with b'66_mgmt_protect\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'gpio_control_block' with b'66_gpio_control_block\x00'
+Replaced b'chip_io\x00' with b'66_chip_io'
+Replaced b'user_project_wrapper' with b'66_user_project_wrapper\x00'
Finished.
