a plurality of print wheels rotatably supported within said print drum, each of {TAIL ~ said print wheels} having {HEAD ~ a portion} extending through said print drum opening, 
a plurality of print wheels rotatably supported within said print drum , each of { TAIL ~ said print wheels } having { HEAD ~ a portion } extending through said print drum opening ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH