A.VDB(10000,2000,5,1,3) B.VDB(10000,2000,5,3,1) C.VDB(10000,2000,5,0,3) D.VDB(10000,2000,5,1,3)
A.65535 B.255 C.256 D.65536
A.256 B.312 C.128 D.512