Assume that a 12-bit Hamming codeword consisting of 8-bit data and 4 check bits is d₈d₇d₆d₅c₈d₄d₄d₃d₂c₄d₁c₂c₁, where the data bits and the check bits are given in the following tables:

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Which one of the following choices gives the correct values of x and y?