The other one of {TAIL ~ the first and second stacks} of folded portions of {HEAD ~ the air bag} is disposed in the lower chamber portion 
The other one of { TAIL ~ the first and second stacks } of folded portions of { HEAD ~ the air bag } is disposed in the lower chamber portion
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH