Touching Circles Section Formula

Let the circles C1:(x−α)2+(y−β)2=r12 and C2:(x−8)2+(y−‌

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2

)2=r22 touch each other externally at the point (6,6). If the point (6,6) divides the line segment joining the centres of the circles C1 and C2 internally in the ratio 2:1, then (α+β)+4(r12+r22) equals