Dear Sir, I have purchased Huggies Dry Comfort 20 Diapers packk for my baby. In both packs I got 2 coupons for huggies superstar competition. As in the coupon I sent sms of unique code to 575758. Unique codes are as under: 462S852M2B85 and 556UM5585B83 But these codes are coming as invalid keywords. When the keywords are invalid why they have to be printed in the coupons? I am not understanding why it is coming so even we enter the correct code. what we have to do? read full review »