7 works

random.js

@@ -77,7 +77,12 @@ const getLeaves = (node)=>{
 	if(threePathResult.length === 0){
 		return twoPathResult;
 	} else {
-		return [twoPathResult, threePathResult]
+		if(Number.isInteger(twoPathResult[0])){
+			return [twoPathResult, threePathResult]
+		} else {
+			twoPathResult.push(threePathResult)
+			return twoPathResult;
+		}
 	}
 }
 const leaves = getLeaves(tree);