f8d1ee9294ec18a6d876796a23632bfe5292a733
angie
  Thu Mar 2 16:57:35 2023 -0800
Adding a couple more reversions in XBC, pointed out by @corneliusroemer in p-d 1100

diff --git src/hg/utils/otto/sarscov2phylo/branchSpecificMask.yml src/hg/utils/otto/sarscov2phylo/branchSpecificMask.yml
index b725f92..d3b89af 100644
--- src/hg/utils/otto/sarscov2phylo/branchSpecificMask.yml
+++ src/hg/utils/otto/sarscov2phylo/branchSpecificMask.yml
@@ -130,17 +130,19 @@
 XBB.1:
     # Inherits from XBB
     # Here I'm going a bit past the technical start of XBB.1, to include G27915T to be more sure
     # that it's XBB.1 before we mask out the defining mutation of XBB.1
     representative: England/LSPA-32578111/2022
     reversions: [ T22317G ]
 
 XBB.1.5:
     # Inherits from XBB.1
     # Don't believe reversions on 27915 once we're as far as XBB.1.*
     representative: England/BRBR-326C0A5A/2023
     reversions: [ T27915G ]
 
 XBC:
     # Inherits nothing!  Should find out its deletions.
+    # Cornelius Roemer requested to mask several reversions in
+    # https://github.com/cov-lineages/pango-designation/issues/1100#issuecomment-1426502678
     representative: Philippines/PH-VUI-142736/2022
-    reversions: [ G5584A, T13019C, T25000C, T28271A ]
+    reversions: [ G5584A, T13019C, T22329C, T25000C, C27718T, T28271A ]