{HEAD ~ The plurality} of distribution devices distribute {TAIL ~ picture data} according to the instruction, and the plurality of receiving devices receive the picture data according to the instruction 
{ HEAD ~ The plurality } of distribution devices distribute { TAIL ~ picture data } according to the instruction , and the plurality of receiving devices receive the picture data according to the instruction
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH