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CHIP Xor {
    IN a, b;
    OUT out;

    PARTS:
    Not(in=a, out=NotA);
	Not(in=b, out=NotB);
	Nand(a=NotA, b=NotB, out=NandOut1);
	Nand(a=a, b=b, out=NandOut2);
	And(a=NandOut1, b=NandOut2, out=out);
}