mov eax, offset A1
	mov edx, offset C1
	mov edi, sizeof A1
loop1:  mov ebx, offset B1
        mov cl, sizeof B1
       
loop2:  mov ch,[eax]
        cmp ch,[eax]
        jne lable1
        mov [edx], ch
        inc edx
        jmp lable2
lable1: inc ebx
        dec cl
        cmp cl, 0
        jne loop2
       
lable2: inc eax
        dec edi
        cmp edi, 0
        jne loop1