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m(11)*a(i+1)+c(11)*v(i+1)+c(12)*v'(i+1)+k(11)*d(i+1)+k(12)*d'(i+1)=m(11)*dzb1;
m(22)*a'(i+1)+c(22)*v'(i+1)+c(21)*v(i+1)+k(22)*d'(i+1)+k(21)*d(i+1)=m(22)*dzb2;
end
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