diff --git a/2025/01/cracking_code_interview_16_24_pairs_with_sum/src/main/java/pl/polgrabia/demos/crackingcodeinterview/demos/t16x24/Solver.java b/2025/01/cracking_code_interview_16_24_pairs_with_sum/src/main/java/pl/polgrabia/demos/crackingcodeinterview/demos/t16x24/Solver.java
index 6365954..814b05c 100644
--- a/2025/01/cracking_code_interview_16_24_pairs_with_sum/src/main/java/pl/polgrabia/demos/crackingcodeinterview/demos/t16x24/Solver.java
+++ b/2025/01/cracking_code_interview_16_24_pairs_with_sum/src/main/java/pl/polgrabia/demos/crackingcodeinterview/demos/t16x24/Solver.java
@@ -19,14 +19,10 @@ public class Solver {
             if (nr > el) {
                 continue;
             }
-            if (el != nr) {
-                if (s.getOrDefault(nr, 0) < 1) {
-                    continue;
-                }
-            } else {
-                if (s.getOrDefault(nr, 0) <= 1) {
-                    continue;
-                }
+            int existing_count = s.getOrDefault(nr, 0);
+            int required_count = el == nr ? 2 : 1;
+            if (required_count > existing_count) {
+                continue;
             }
             solutions.add(new Solution(nr, el));
         }