9 works

random.js

@@ -41,7 +41,7 @@ const breakDown = (node)=>{
 
 const tree = breakDown({value:9});
 
-console.dir(tree, {depth:null});
+//console.dir(tree, {depth:null});
 
 const getLeaves = (node)=>{
 	if(node.twoPath === undefined){
@@ -58,8 +58,9 @@ const getLeaves = (node)=>{
 		if(Number.isInteger(twoPathRightValue[0])){
 			twoPathRightValue.unshift(twoPathLeftValue);
 		} else {
-			twoPathRightValue[0].unshift(twoPathLeftValue)
-			twoPathRightValue[1].unshift(twoPathLeftValue);
+			for(let subArray of twoPathRightValue){
+				subArray.unshift(twoPathLeftValue);
+			}
 		}
 		twoPathResult = twoPathRightValue;
 	}
@@ -97,7 +98,11 @@ const getLeaves = (node)=>{
 			if(Number.isInteger(threePathResult)){
 				twoPathResult.push(threePathResult)
 			} else {
-				twoPathResult.push(threePathResult[0])
+				if(Number.isInteger(threePathResult[0])){
+					twoPathResult.push(threePathResult)
+				} else {
+					twoPathResult = twoPathResult.concat(threePathResult);
+				}
 			}
 			return twoPathResult;
 		}