3- (20 pts) Write a program with a loop and indexed addressing that exchanges elements of a DWORD array with multiple of 3 number of elements (such as 3, 6, 9, ...) based on the following rule: First item will exchange with item 3, item 4 with 6, item 7 with 9 and so on. 4- (10 pts) Use the following variable definitions .data varl SBYTE -14, -12, 13, 10 var2 WORD 1200h, 2200h, 3200h, 4200h var3 SWORD -6, -22 var4 DWORD 11,12,13,14,15 What will be the value of the destination operand after each of the following instructions? Show your answers in Hexadecimal. execute in sequence mov edx, var4 movzx edx, [var2+4] mov edx, [var4+4] movsx edx, varl so