public static void Case1()
{
CAB ab = new CAB(0, 0);
ab._m1 = 0x30303030;
ab._m2 = 0x31313131;
IA aa = ab;
aa.A1(0x32323232, 0x33333333);
aa.A2(0x34343434, 0x35353535);
IB bb = ab;
bb.B1(0x36363636, 0x37373737);
bb.B2(0x38383838, 0x39393939);
return;
}