i3 : pointsByIntersection(M,R)
2 2
o3 = {108y*z - 131z - 60x - 900y + 1243z - 1080, 36x*z + 163z - 168x + 72y
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2 2
- 2315z + 7128, 162y - 413z + 120x - 738y + 5209z - 16200, 324x*y +
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2 2 2
1219z - 1680x - 2628y - 15767z + 61560, 54x - 281z - 402x + 180y +
------------------------------------------------------------------------
3 2
3757z - 12312, z - 22z + 157z - 360}
o3 : List
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