The short version has 1 door and 2 windows left and right, the longer version has 1 door and 3 windows left and 2 doors and 2 windows right.
The Uk catalog 1906 shows the following sizes
Bing 13813/0 (later 60/69/1) is 10 5/8 inch long
Bing 13813/1 (later 60/69/2) is 15 1/8 inch long
Bing 13813/2 like 13813/1 but with fences left and right is 23 3/4 inch long
Arne