Integrand size = 44, antiderivative size = 113 \[ \int \frac {-2 a+b+x}{\sqrt [4]{(-a+x) (-b+x)^2} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx=-\frac {2 \arctan \left (\frac {\sqrt [4]{d} \sqrt [4]{-a b^2+\left (2 a b+b^2\right ) x+(-a-2 b) x^2+x^3}}{b-x}\right )}{d^{3/4}}+\frac {2 \text {arctanh}\left (\frac {\sqrt [4]{d} \sqrt [4]{-a b^2+\left (2 a b+b^2\right ) x+(-a-2 b) x^2+x^3}}{b-x}\right )}{d^{3/4}} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 37.53 (sec) , antiderivative size = 3261, normalized size of antiderivative = 28.86, number of steps used = 21, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {6851, 6860, 108, 107, 504, 1231, 226, 1721} \[ \int \frac {-2 a+b+x}{\sqrt [4]{(-a+x) (-b+x)^2} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx=-\frac {\sqrt [4]{a-b} \left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{x-a} \sqrt {-\frac {b-x}{(a-b) \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right )^2}} \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right ) \operatorname {EllipticPi}\left (\frac {\left (\sqrt {2} \sqrt {a-b}+\sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}\right )^2}{4 \sqrt {2} \sqrt {a-b} \sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}},2 \arctan \left (\frac {\sqrt [4]{x-a}}{\sqrt [4]{a-b}}\right ),\frac {1}{2}\right ) \left (\sqrt {2} \sqrt {a-b}-\sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}\right )^2}{2 \sqrt {2} \sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}} \left (4 a-4 b-d+\sqrt {d} \sqrt {-4 a+4 b+d}\right ) \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}+\frac {\sqrt {a-b} \sqrt {\sqrt {d}-\sqrt {-4 a+4 b+d}} \sqrt {-\frac {b-x}{a-b}} \sqrt [4]{x-a} \arctan \left (\frac {\sqrt [4]{d} \sqrt {\sqrt {d}-\sqrt {-4 a+4 b+d}} \sqrt [4]{x-a}}{\sqrt [4]{2} \sqrt {a-b} \sqrt [4]{-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt {-\frac {b-x}{a-b}}}\right )}{\sqrt [4]{2} d^{3/4} \sqrt [4]{-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}+\frac {\sqrt {a-b} \sqrt {\sqrt {-4 a+4 b+d}-\sqrt {d}} \sqrt {-\frac {b-x}{a-b}} \sqrt [4]{x-a} \arctan \left (\frac {\sqrt [4]{d} \sqrt {\sqrt {-4 a+4 b+d}-\sqrt {d}} \sqrt [4]{x-a}}{\sqrt [4]{2} \sqrt {a-b} \sqrt [4]{-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt {-\frac {b-x}{a-b}}}\right )}{\sqrt [4]{2} d^{3/4} \sqrt [4]{-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}+\frac {\sqrt {a-b} \sqrt {\sqrt {d}+\sqrt {-4 a+4 b+d}} \sqrt {-\frac {b-x}{a-b}} \sqrt [4]{x-a} \arctan \left (\frac {\sqrt [4]{d} \sqrt {\sqrt {d}+\sqrt {-4 a+4 b+d}} \sqrt [4]{x-a}}{\sqrt [4]{2} \sqrt {a-b} \sqrt [4]{-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt {-\frac {b-x}{a-b}}}\right )}{\sqrt [4]{2} d^{3/4} \sqrt [4]{-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}-\frac {\sqrt {b-a} \sqrt {\sqrt {d}+\sqrt {-4 a+4 b+d}} \sqrt {-\frac {b-x}{a-b}} \sqrt [4]{x-a} \arctan \left (\frac {\sqrt [4]{d} \sqrt {\sqrt {d}+\sqrt {-4 a+4 b+d}} \sqrt [4]{x-a}}{\sqrt [4]{2} \sqrt {b-a} \sqrt [4]{-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt {-\frac {b-x}{a-b}}}\right )}{\sqrt [4]{2} d^{3/4} \sqrt [4]{-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}-\frac {\left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \left (2 a-2 b-\sqrt {2} \sqrt {a-b} \sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}\right ) \sqrt [4]{x-a} \sqrt {-\frac {b-x}{(a-b) \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right )^2}} \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right ) \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{x-a}}{\sqrt [4]{a-b}}\right ),\frac {1}{2}\right )}{2 \sqrt [4]{a-b} \left (4 a-4 b-d+\sqrt {d} \sqrt {-4 a+4 b+d}\right ) \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}-\frac {\left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \left (2 a-2 b+\sqrt {2} \sqrt {a-b} \sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}\right ) \sqrt [4]{x-a} \sqrt {-\frac {b-x}{(a-b) \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right )^2}} \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right ) \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{x-a}}{\sqrt [4]{a-b}}\right ),\frac {1}{2}\right )}{2 \sqrt [4]{a-b} \left (4 a-4 b-d+\sqrt {d} \sqrt {-4 a+4 b+d}\right ) \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}-\frac {\left (\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}+1\right ) \left (2 a-2 b-\sqrt {2} \sqrt {a-b} \sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}\right ) \sqrt [4]{x-a} \sqrt {-\frac {b-x}{(a-b) \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right )^2}} \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right ) \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{x-a}}{\sqrt [4]{a-b}}\right ),\frac {1}{2}\right )}{2 \sqrt [4]{a-b} \left (4 a-4 b-d-\sqrt {d} \sqrt {-4 a+4 b+d}\right ) \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}-\frac {\left (\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}+1\right ) \left (2 a-2 b+\sqrt {2} \sqrt {a-b} \sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}\right ) \sqrt [4]{x-a} \sqrt {-\frac {b-x}{(a-b) \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right )^2}} \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right ) \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{x-a}}{\sqrt [4]{a-b}}\right ),\frac {1}{2}\right )}{2 \sqrt [4]{a-b} \left (4 a-4 b-d-\sqrt {d} \sqrt {-4 a+4 b+d}\right ) \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}+\frac {\sqrt [4]{a-b} \left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \left (\sqrt {2} \sqrt {a-b}+\sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}\right )^2 \sqrt [4]{x-a} \sqrt {-\frac {b-x}{(a-b) \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right )^2}} \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right ) \operatorname {EllipticPi}\left (-\frac {\left (\sqrt {2} \sqrt {a-b}-\sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}\right )^2}{4 \sqrt {2} \sqrt {a-b} \sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}},2 \arctan \left (\frac {\sqrt [4]{x-a}}{\sqrt [4]{a-b}}\right ),\frac {1}{2}\right )}{2 \sqrt {2} \sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}} \left (4 a-4 b-d+\sqrt {d} \sqrt {-4 a+4 b+d}\right ) \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}+\frac {\sqrt [4]{a-b} \left (\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}+1\right ) \left (\sqrt {2} \sqrt {a-b}+\sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}\right )^2 \sqrt [4]{x-a} \sqrt {-\frac {b-x}{(a-b) \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right )^2}} \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right ) \operatorname {EllipticPi}\left (-\frac {\left (\sqrt {2} \sqrt {a-b}-\sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}\right )^2}{4 \sqrt {2} \sqrt {a-b} \sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}},2 \arctan \left (\frac {\sqrt [4]{x-a}}{\sqrt [4]{a-b}}\right ),\frac {1}{2}\right )}{2 \sqrt {2} \left (4 a-4 b-d-\sqrt {d} \sqrt {-4 a+4 b+d}\right ) \sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt [4]{-\left ((a-x) (b-x)^2\right )}}-\frac {\sqrt [4]{a-b} \left (\sqrt {d}+\sqrt {-4 a+4 b+d}\right ) \left (\sqrt {2} \sqrt {a-b}-\sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}\right )^2 \sqrt [4]{x-a} \sqrt {-\frac {b-x}{(a-b) \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right )^2}} \left (\frac {\sqrt {x-a}}{\sqrt {a-b}}+1\right ) \operatorname {EllipticPi}\left (\frac {\left (\sqrt {2} \sqrt {a-b}+\sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}\right )^2}{4 \sqrt {2} \sqrt {a-b} \sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}},2 \arctan \left (\frac {\sqrt [4]{x-a}}{\sqrt [4]{a-b}}\right ),\frac {1}{2}\right )}{2 \sqrt {2} \sqrt {d} \left (4 a-4 b-d-\sqrt {d} \sqrt {-4 a+4 b+d}\right ) \sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}} \sqrt [4]{-\left ((a-x) (b-x)^2\right )}} \]
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Rule 107
Rule 108
Rule 226
Rule 504
Rule 1231
Rule 1721
Rule 6851
Rule 6860
Rubi steps \begin{align*} \text {integral}& = \frac {\left (\sqrt [4]{-a+x} \sqrt {-b+x}\right ) \int \frac {-2 a+b+x}{\sqrt [4]{-a+x} \sqrt {-b+x} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx}{\sqrt [4]{(-a+x) (-b+x)^2}} \\ & = \frac {\left (\sqrt [4]{-a+x} \sqrt {-b+x}\right ) \int \left (\frac {1+\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}}{\sqrt [4]{-a+x} \sqrt {-b+x} \left (-2 b-d-\sqrt {d} \sqrt {-4 a+4 b+d}+2 x\right )}+\frac {1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}}{\sqrt [4]{-a+x} \sqrt {-b+x} \left (-2 b-d+\sqrt {d} \sqrt {-4 a+4 b+d}+2 x\right )}\right ) \, dx}{\sqrt [4]{(-a+x) (-b+x)^2}} \\ & = \frac {\left (\left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-b+x}\right ) \int \frac {1}{\sqrt [4]{-a+x} \sqrt {-b+x} \left (-2 b-d+\sqrt {d} \sqrt {-4 a+4 b+d}+2 x\right )} \, dx}{\sqrt [4]{(-a+x) (-b+x)^2}}+\frac {\left (\left (1+\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-b+x}\right ) \int \frac {1}{\sqrt [4]{-a+x} \sqrt {-b+x} \left (-2 b-d-\sqrt {d} \sqrt {-4 a+4 b+d}+2 x\right )} \, dx}{\sqrt [4]{(-a+x) (-b+x)^2}} \\ & = \frac {\left (\left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-\frac {-b+x}{-a+b}}\right ) \int \frac {1}{\sqrt [4]{-a+x} \left (-2 b-d+\sqrt {d} \sqrt {-4 a+4 b+d}+2 x\right ) \sqrt {\frac {b}{-a+b}-\frac {x}{-a+b}}} \, dx}{\sqrt [4]{(-a+x) (-b+x)^2}}+\frac {\left (\left (1+\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-\frac {-b+x}{-a+b}}\right ) \int \frac {1}{\sqrt [4]{-a+x} \left (-2 b-d-\sqrt {d} \sqrt {-4 a+4 b+d}+2 x\right ) \sqrt {\frac {b}{-a+b}-\frac {x}{-a+b}}} \, dx}{\sqrt [4]{(-a+x) (-b+x)^2}} \\ & = -\frac {\left (4 \left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-\frac {-b+x}{-a+b}}\right ) \text {Subst}\left (\int \frac {x^2}{\left (-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}-2 x^4\right ) \sqrt {-\frac {a}{-a+b}+\frac {b}{-a+b}-\frac {x^4}{-a+b}}} \, dx,x,\sqrt [4]{-a+x}\right )}{\sqrt [4]{(-a+x) (-b+x)^2}}-\frac {\left (4 \left (1+\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-\frac {-b+x}{-a+b}}\right ) \text {Subst}\left (\int \frac {x^2}{\left (-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}-2 x^4\right ) \sqrt {-\frac {a}{-a+b}+\frac {b}{-a+b}-\frac {x^4}{-a+b}}} \, dx,x,\sqrt [4]{-a+x}\right )}{\sqrt [4]{(-a+x) (-b+x)^2}} \\ & = -\frac {\left (\sqrt {2} \left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-\frac {-b+x}{-a+b}}\right ) \text {Subst}\left (\int \frac {1}{\left (\sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}-\sqrt {2} x^2\right ) \sqrt {-\frac {a}{-a+b}+\frac {b}{-a+b}-\frac {x^4}{-a+b}}} \, dx,x,\sqrt [4]{-a+x}\right )}{\sqrt [4]{(-a+x) (-b+x)^2}}+\frac {\left (\sqrt {2} \left (1-\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-\frac {-b+x}{-a+b}}\right ) \text {Subst}\left (\int \frac {1}{\left (\sqrt {-2 a+2 b+d-\sqrt {d} \sqrt {-4 a+4 b+d}}+\sqrt {2} x^2\right ) \sqrt {-\frac {a}{-a+b}+\frac {b}{-a+b}-\frac {x^4}{-a+b}}} \, dx,x,\sqrt [4]{-a+x}\right )}{\sqrt [4]{(-a+x) (-b+x)^2}}-\frac {\left (\sqrt {2} \left (1+\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-\frac {-b+x}{-a+b}}\right ) \text {Subst}\left (\int \frac {1}{\left (\sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}-\sqrt {2} x^2\right ) \sqrt {-\frac {a}{-a+b}+\frac {b}{-a+b}-\frac {x^4}{-a+b}}} \, dx,x,\sqrt [4]{-a+x}\right )}{\sqrt [4]{(-a+x) (-b+x)^2}}+\frac {\left (\sqrt {2} \left (1+\frac {\sqrt {-4 a+4 b+d}}{\sqrt {d}}\right ) \sqrt [4]{-a+x} \sqrt {-\frac {-b+x}{-a+b}}\right ) \text {Subst}\left (\int \frac {1}{\left (\sqrt {-2 a+2 b+d+\sqrt {d} \sqrt {-4 a+4 b+d}}+\sqrt {2} x^2\right ) \sqrt {-\frac {a}{-a+b}+\frac {b}{-a+b}-\frac {x^4}{-a+b}}} \, dx,x,\sqrt [4]{-a+x}\right )}{\sqrt [4]{(-a+x) (-b+x)^2}} \\ & = \text {Too large to display} \\ \end{align*}
Time = 3.29 (sec) , antiderivative size = 95, normalized size of antiderivative = 0.84 \[ \int \frac {-2 a+b+x}{\sqrt [4]{(-a+x) (-b+x)^2} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx=\frac {2 \sqrt {b-x} \sqrt [4]{-a+x} \left (-\arctan \left (\frac {\sqrt [4]{d} \sqrt [4]{-a+x}}{\sqrt {b-x}}\right )+\text {arctanh}\left (\frac {\sqrt [4]{d} \sqrt [4]{-a+x}}{\sqrt {b-x}}\right )\right )}{d^{3/4} \sqrt [4]{(b-x)^2 (-a+x)}} \]
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\[\int \frac {-2 a +b +x}{\left (\left (-a +x \right ) \left (-b +x \right )^{2}\right )^{\frac {1}{4}} \left (b^{2}+a d -\left (2 b +d \right ) x +x^{2}\right )}d x\]
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Timed out. \[ \int \frac {-2 a+b+x}{\sqrt [4]{(-a+x) (-b+x)^2} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx=\text {Timed out} \]
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Timed out. \[ \int \frac {-2 a+b+x}{\sqrt [4]{(-a+x) (-b+x)^2} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx=\text {Timed out} \]
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\[ \int \frac {-2 a+b+x}{\sqrt [4]{(-a+x) (-b+x)^2} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx=\int { -\frac {2 \, a - b - x}{\left (-{\left (a - x\right )} {\left (b - x\right )}^{2}\right )^{\frac {1}{4}} {\left (b^{2} + a d - {\left (2 \, b + d\right )} x + x^{2}\right )}} \,d x } \]
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\[ \int \frac {-2 a+b+x}{\sqrt [4]{(-a+x) (-b+x)^2} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx=\int { -\frac {2 \, a - b - x}{\left (-{\left (a - x\right )} {\left (b - x\right )}^{2}\right )^{\frac {1}{4}} {\left (b^{2} + a d - {\left (2 \, b + d\right )} x + x^{2}\right )}} \,d x } \]
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Timed out. \[ \int \frac {-2 a+b+x}{\sqrt [4]{(-a+x) (-b+x)^2} \left (b^2+a d-(2 b+d) x+x^2\right )} \, dx=\int \frac {b-2\,a+x}{{\left (-\left (a-x\right )\,{\left (b-x\right )}^2\right )}^{1/4}\,\left (a\,d-x\,\left (2\,b+d\right )+b^2+x^2\right )} \,d x \]
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