A.6 B.8 C.11 D.14
A.2 B.4 C.6 D.8
A.SCB-RP,XDB,CDB,LRB,CGB,IRB B.CGB,IRB,XDB,CDB,LRB C.SCB-RP,CGB,IRB,LRB,CDB D.SCB-RP,CGB,IRB,LRB