For the matrix M=(231412563)M = \begin{pmatrix} 2 & 3 & 1 \\ 4 & 1 & 2 \\ 5 & 6 & 3 \end{pmatrix}M=245316123, what is the cofactor C13C_{13}C13 (the cofactor of entry m13=1m_{13} = 1m13=1)?
C13=19C_{13} = 19C13=19
C13=−19C_{13} = -19C13=−19
C13=−14C_{13} = -14C13=−14
C13=14C_{13} = 14C13=14