ARM v7 cortex-m str instructions

3. Suppose re = 0x20000000 and r1-0x12345678. All bytes in memory are initialized to 0x00. Suppose the following assembly program has run successfully. Draw a table to show the memory value if the processor uses little endian. STR STR STR r1, r1, r1, [r0], #4 [r0, #41! [r0, #41