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C = `[(-8,-6,10,-9,3),(0,5,1,-6,7),(2,-5,-1,-4,5),(3,-5,8,-10,9),(-10,4,2,6,0)]` F = `[(2,10,-7,5,0),(-6,-7,-8,4,-10),(9,1,6,-3,-1),(3,5,4,-1,7),(-4,7,-2,-5,9)]`

`4C+2F = `
 
 

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