The crowns of {HEAD ~ the two upper pulleys} are offset to the right and the crowns of the two lower pulleys are offset to {TAIL ~ the left} 
The crowns of { HEAD ~ the two upper pulleys } are offset to the right and the crowns of the two lower pulleys are offset to { TAIL ~ the left }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL