X| | |S|S|S|S|S|S|S|S|S| | |Y
 |S|B|S|C|S|C|S|C|S|C|S|B|S| 
 |B|7|S|C|C|C|S|C|C|C|S| |B| 
 |S| |S|B|S|B|S|B|S|B|S|7|S| 
 |B| | |S|B|B|S|B|B|S| | |B| 
 |S|7|S| |S|B|S|B|S| |S| |S| 
T|B| | | |1|B|S|B|1| | |7|B|T
 |S| |S| |S|B|S|B|S| |S| |S| 
 |B|7| |S|C|C|S|C|C|S| | |B| 
 |S| |S|C|S|C|S|C|S|C|S|7|S| 
 |B| |S|C|C|B|S|B|C|C|S| |B| 
 |S|B|S|C|S|B|S|B|S|C|S|B|S| 
 | | |S|S|S|S|S|S|S|S|S| | | 