No example of Sathers Candy packaging codes has been provided, so no one can hazard a guess. Call the company that made it. Contact information should be on the package.
I got this info from the Brach's Candy 1-800 customer service line on 10-21-2009.
Look for an ink-stamped, 8-character code on the back of the bag.
e.g., 9181EY8M
The first 4 characters are the ones...
Hexadecimal is closely related to binary numbers. There are 16 digits, or enough to hold 4 bits of information (or a half a byte, also called a nibble). Two hex numbers will represent a byte, or 8...
The big long number, on the back of the block, is a part number. The one you want to use is on the pad right in front of the drivers side cylinder head. This number will tell you everything you want...