+x0x+0xx+sxsyss+xy++xyz+x+yz*x00*0x0*sxsys+*xy+xy**xyz*x*yzappnilllappconsxl1l2consxappl1l2sumnil0sumconsxl+xsumlsumappl1l2+suml1suml2prodnils0prodconsxl*xprodlprodappl1l2*prodl1prodl2+200s1*2app2nil0cons2sum1prod1FULL./TRS/Cime/list-sum-prod-assoc-append.trs