SOLUTION:Fission III,ToughThought,28-1-30,Improvement over my 31-symbol solution (74802) uses idea from Gymble (66928) and JFB1000 (74237).
COMPONENT:'custom-research-reactor',2,0,''
MEMBER:'instr-start',-90,0,128,1,4,0,0
MEMBER:'instr-start',0,0,32,0,1,0,0
MEMBER:'feature-splitter',-1,0,1,6,1,0,0
MEMBER:'instr-arrow',0,0,64,1,1,0,0
MEMBER:'instr-grab',-1,1,128,1,1,0,0
MEMBER:'instr-input',-1,0,128,1,2,0,0
MEMBER:'instr-input',-1,0,128,1,3,0,0
MEMBER:'instr-grab',-1,2,128,4,1,0,0
MEMBER:'instr-arrow',0,0,64,5,1,0,0
MEMBER:'instr-split',-1,0,128,5,1,0,0
MEMBER:'instr-arrow',-90,0,64,5,2,0,0
MEMBER:'instr-output',-1,0,128,5,2,0,0
MEMBER:'instr-arrow',90,0,64,6,0,0,0
MEMBER:'instr-split',-1,0,128,6,1,0,0
MEMBER:'instr-arrow',180,0,64,6,2,0,0
MEMBER:'instr-grab',-1,2,128,6,2,0,0
MEMBER:'instr-arrow',180,0,64,7,0,0,0
MEMBER:'instr-split',-1,0,128,7,0,0,0
MEMBER:'instr-arrow',-90,0,64,7,1,0,0
MEMBER:'instr-grab',-1,1,128,7,1,0,0
MEMBER:'instr-grab',-1,1,32,1,1,0,0
MEMBER:'instr-arrow',90,0,16,4,0,0,0
MEMBER:'instr-arrow',0,0,16,4,1,0,0
MEMBER:'instr-grab',-1,1,32,4,1,0,0
MEMBER:'instr-output',-1,0,32,5,0,0,0
MEMBER:'instr-arrow',180,0,16,6,0,0,0
MEMBER:'instr-grab',-1,2,32,6,1,0,0
MEMBER:'instr-arrow',-90,0,16,6,3,0,0
MEMBER:'instr-output',-1,0,32,6,3,0,0
MEMBER:'instr-grab',-1,1,32,7,1,0,0
MEMBER:'instr-arrow',90,0,16,8,1,0,0
MEMBER:'instr-arrow',180,0,16,8,3,0,0
MEMBER:'instr-output',-1,0,32,8,3,0,0
PIPE:0,4,1
PIPE:1,4,2