update

app/Http/Controllers/api/Home.php

@@ -136,7 +136,7 @@ class Home extends Controller
         for ($i = 1; $i < 19; $i = $i + 3) {
             echo $matchingNumbers[$i];
             $sum += $matchingNumbers[$i];
-            if ($i < 17) {
+            if ($i < 16) {
                 echo " + ";
             }
         }
@@ -146,7 +146,7 @@ class Home extends Controller
         for ($i = 2; $i < 20; $i = $i + 3) {
             echo $matchingNumbers[$i];
             $sum += $matchingNumbers[$i];
-            if ($i < 18) {
+            if ($i < 17) {
                 echo " + ";
             }
         }
@@ -156,7 +156,7 @@ class Home extends Controller
         for ($i = 3; $i < 20; $i = $i + 3) {
             echo $matchingNumbers[$i];
             $sum += $matchingNumbers[$i];
-            if ($i < 19) {
+            if ($i < 18) {
                 echo " + ";
             }
         }