20150316 in both files, we will change xxxx3xx
no 56 to 57, but line under, 33 to 34
no 57 to 58, but 3 line under (byte 46), 33 to 34
The same things in both MTD!
EDIT: if you want, you can change not month, but date - it's on you. But same things in both MTD!