{TAIL ~ A bistable device} is provided, which includes a plurality of bistable outputs, equal in number to the plurality of {HEAD ~ the primary colors} 
{ TAIL ~ A bistable device } is provided , which includes a plurality of bistable outputs , equal in number to the plurality of { HEAD ~ the primary colors }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD