at least one visible filling layer located in between and bonded to {HEAD ~ each} of {TAIL ~ the at least two cereal layers} 
of
at least one visible filling layer located in between and bonded to { HEAD ~ each } of { TAIL ~ the at least two cereal layers }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL