The pneumatic tire is provided with five main grooves, {HEAD ~ first and second lateral grooves}, and {TAIL ~ first and second blocks} 
The pneumatic tire is provided with five main grooves , { HEAD ~ first and second lateral grooves } , and { TAIL ~ first and second blocks }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL