IF the line $x=3y+13$ intersects the circle ${ x }^{ 2 }+{ y }^{ 2 }-4x+4y+3=0$ then the square of length of the chords is :
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IF the line $x=3y+13$ intersects the circle ${ x }^{ 2 }+{ y }^{ 2 }-4x+4y+3=0$ then the square of length of the chords is :