# MutantHub mutant #563: Arithmetic operator mutation at descriptor.cpp:152
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:152-152
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -152,1 +152,1 @@
-        cls = cls * 3 + (pos >> 5); // Accumulate the group numbers
+        cls = cls * 3 - (pos >> 5); // Accumulate the group numbers
