If \(A = \begin{pmatrix} 4 & -4 \\ -6 & -1 \end{pmatrix}\), \(B = \begin{pmatrix} 3 & -4 \\ 9 & -1 \end{pmatrix}\) and \(C = \begin{pmatrix} -8 & 3 \\ 0 & -5 \end{pmatrix}\), find \((A - B) - C\).
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