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0=sum(b1*a2)=sum(c1*a2)=sum(d1*a2)=sum(e1*a2)=sum(f1*a2)=sum(g1*a2)=sum(h1*a2)=sum(i1*a2)=sum(j1*a2)=sum(k1*a2)=sum(l1*a2)=sum(m1*a2)=sum(n1*a2)
1=sum(b1*a3)=sum(c1*a3)=sum(d1*a3)=sum(e1*a3)=sum(f1*a3)=sum(g1*a3)=sum(h1*a3)=sum(i1*a3)=sum(j1*a3)=sum(k1*a3)=sum(l1*a3)=sum(m1*a3)=sum(n1*a3)
2=sum(b1*a4)=sum(c1*a4)=sum(d1*a4)=sum(e1*a4)=sum(f1*a4)=sum(g1*a4)=sum(h1*a4)=sum(i1*a4)=sum(j1*a4)=sum(k1*a4)=sum(l1*a4)=sum(m1*a4)=sum(n1*a4)
3=sum(b1*a5)=sum(c1*a5)=sum(d1*a5)=sum(e1*a5)=sum(f1*a5)=sum(g1*a5)=sum(h1*a5)=sum(i1*a5)=sum(j1*a5)=sum(k1*a5)=sum(l1*a5)=sum(m1*a5)=sum(n1*a5)
4=sum(b1*a6)=sum(c1*a6)=sum(d1*a6)=sum(e1*a6)=sum(f1*a6)=sum(g1*a6)=sum(h1*a6)=sum(i1*a6)=sum(j1*a6)=sum(k1*a6)=sum(l1*a6)=sum(m1*a6)=sum(n1*a6)
5=sum(b1*a7)=sum(c1*a7)=sum(d1*a7)=sum(e1*a7)=sum(f1*a7)=sum(g1*a7)=sum(h1*a7)=sum(i1*a7)=sum(j1*a7)=sum(k1*a7)=sum(l1*a7)=sum(m1*a7)=sum(n1*a7)
6=sum(b1*a8)=sum(c1*a8)=sum(d1*a8)=sum(e1*a8)=sum(f1*a8)=sum(g1*a8)=sum(h1*a8)=sum(i1*a8)=sum(j1*a8)=sum(k1*a8)=sum(l1*a8)=sum(m1*a8)=sum(n1*a8)
7=sum(b1*a9)=sum(c1*a9)=sum(d1*a9)=sum(e1*a9)=sum(f1*a9)=sum(g1*a9)=sum(h1*a9)=sum(i1*a9)=sum(j1*a9)=sum(k1*a9)=sum(l1*a9)=sum(m1*a9)=sum(n1*a9)
8=sum(b1*a10)=sum(c1*a10)=sum(d1*a10)=sum(e1*a10)=sum(f1*a10)=sum(g1*a10)=sum(h1*a10)=sum(i1*a10)=sum(j1*a10)=sum(k1*a10)=sum(l1*a10)=sum(m1*a10)=sum(n1*a10)
9=sum(b1*a11)=sum(c1*a11)=sum(d1*a11)=sum(e1*a11)=sum(f1*a11)=sum(g1*a11)=sum(h1*a11)=sum(i1*a11)=sum(j1*a11)=sum(k1*a11)=sum(l1*a11)=sum(m1*a11)=sum(n1*a11)
10=sum(b1*a12)=sum(c1*a12)=sum(d1*a12)=sum(e1*a12)=sum(f1*a12)=sum(g1*a12)=sum(h1*a12)=sum(i1*a12)=sum(j1*a12)=sum(k1*a12)=sum(l1*a12)=sum(m1*a12)=sum(n1*a12)
11=sum(b1*a13)=sum(c1*a13)=sum(d1*a13)=sum(e1*a13)=sum(f1*a13)=sum(g1*a13)=sum(h1*a13)=sum(i1*a13)=sum(j1*a13)=sum(k1*a13)=sum(l1*a13)=sum(m1*a13)=sum(n1*a13)
12=sum(b1*a14)=sum(c1*a14)=sum(d1*a14)=sum(e1*a14)=sum(f1*a14)=sum(g1*a14)=sum(h1*a14)=sum(i1*a14)=sum(j1*a14)=sum(k1*a14)=sum(l1*a14)=sum(m1*a14)=sum(n1*a14)