S|S| |B| | |X| |Y| | |B| |S|S
S|S| |S|S|S|S|S|S|S|S|S| |S|S
7| | |S| |C| |C| |C| |S| | |7
B|S|B|S|C|S|T|S|T|S|C|S|B|S|B
C|B|4|S|C|S|S|S|S|S|C|S|4|B|C
 |S| |S|C|S|T|S|T|S|C|S| |S| 
C|B| |S| | | |9| | | |S| |B|C
 |S| |S|S|S|C|S|C|S|S|S| |S| 
C|B| | | |S|C|S|C|S| | | |B|C
B|S|B|S| |S|C|S|C|S| |S|B|S|B
 | | |B| |S|C|C|C|S| |B| | | 
S|S| |S| |S|S|S|S|S| |S| |S|S
S|S|3|B| | | |T| | | |B|3|S|S