LOTTE Co., Ltd.
2010-1 outer 2010-1 2010-2 outer 2010-2 2011-1 outer 2011-1 (NOT complete series) 2011-2 outer 2011-2 2012-1 outer 2012-1 2012-2 outer 2012-2 (NOT complete series)
2010-1 outer 
2010-1 
2010-2 outer 
2010-2 
2011-1 outer 
2011-1 
2011-2 outer 
2011-2 
2012-1 outer 
2012-1 
2012-2 outer 
2012-2 
Japan 
The years are chosen according to the expiration dates of the product on the packs, that is, the real year of production is somewhat earlier. But I think it would make more sense.