C2-9-27* 28 ...
B3-23-29* 30 ...
B3-23-29 30*...
A3-24-7 ...
B1-4-31 32* ...
C2-12-8...
B1-4-31* 32 ...
B2-10-12 13* ...
B2-10-10 11*...
B2-10-12* 13 ...