from research import *
s=begin(669,'Explain every native1470 partition','Why do the source’s690+780 and720+750 measures agree?',{'cell':[3606,3576,2886,2856,2166,2136],'core':690,'flank':30},['Supplement A §§1.4–1.5,2.3'])
c,f=690,30; nodes=[3606,3576,2886,2856,2166,2136]; center=F(nodes[0]+nodes[-1],2)
finish(s,{'total':2*c+3*f,'partitions':[[c,c+3*f],[c+f,c+2*f]],'flank_units':F(2*c+3*f,f),'center':center,'central_rail_center':F(2886+2856,2)},'All three1470 expressions reduce to2c+3f=49f. The six-node cell and its central30 rail share midpoint2871. These are decompositions of one supplied object, not independent appearances of1470.','Compare the cell’s48+1 month anatomy with the supplied intercalation ledger.',{'total':2*c+3*f==1470==nodes[0]-nodes[-1],'partitions':c+(c+3*f)==(c+f)+(c+2*f),'center':center==2871==F(2886+2856,2)})