i3 : pointsByIntersection(M,R)
2 2
o3 = {7y*z + 330z + 672x + 168y - 3368z - 672, 7x*z - 114z - 224x - 56y +
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2 2 2
1087z + 224, 28y + 481z + 1008x + 140y - 4905z - 1008, 28x*y + 1241z
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2 2
+ 2464x + 616y - 12609z - 2464, 7x - 209z - 455x - 112y + 2085z + 448,
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3 2
z - 9z + 8z}
o3 : List
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