Logic Circuit

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{"category":"and", "key":-3, "loc":"-160 -160"},
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{"category":"output", "key":-22, "loc":"320 80"},
{"category":"or", "key":-23, "loc":"100 300"},
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{"category":"output", "key":-30, "loc":"320 230"},
{"category":"output", "key":-31, "loc":"540 300"}
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