A7
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third one is a black
The last one is a green
The leading horse is white
The second horse is red
The third-