Eleven students A, B, C, D, E, F, G, H, I J and K are sitting in the first row of the class facing the teacher.<br /> D who is the immediate left of F and second to the right of C.<br /> A is second to the right of E, who is at one of the ends.<br /> J is the immediate neighbour of A and B and third to the left of G.<br /> H is to the immediate left of D and third to the right of I.<br /> If E and D, C and B, A and H and K and F interchange their positions, Who is sitting in the middle of the row?
\[ \begin{array}{|c|ccccccccccc|} \hline \textbf{Position} & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 \\ \hline \textbf{Original} & E & K & A & J & B & I & G & C & H & D & F \\ \textbf{Final} & D & F & H & J & C & I & G & B & A & E & K \\ \hline \end{array} \]
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