12 lines
159 B
Plaintext
12 lines
159 B
Plaintext
q2(e,1,2). q2(e,1,3). q2(e,2,3).
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q2(e,3,4).
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q2(e,4,2).
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d2(e,red,blue).
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d2(e,red,green).
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d2(e,green,blue).
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d2(e,green,red).
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d2(e,blue,green).
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d2(e,blue,red).
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