diff --git a/2023207/main.cpp b/2023207/main.cpp
index 1d9bc61..e97a86b 100644
--- a/2023207/main.cpp
+++ b/2023207/main.cpp
@@ -75,7 +75,7 @@ int main() {
             if (base != 0) {
                 double coefficient = base / diag_elem;
                 set_content(row, col, -coefficient);
-                for (int l = col + 1; l < n; l++) {
+                for (int l = col + 1; l < col + 3; l++) {
                     set_content(row, l, get_content(row, l) - coefficient * get_content(col, l));
                 }
             }