{HEAD ~ The computerized apparatus} of clam 1, wherein the input lines are preceded with {TAIL ~ a prompt} 
{ HEAD ~ The computerized apparatus } of clam 1 , wherein the input lines are preceded with { TAIL ~ a prompt }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL