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Gudrun Cremin β
1 x 7 x 7 x 4
2 x 2 x 7 x 7
1 x 1 x 14 x14
1 x 28 x 1 x 7
249
14x14=196
-241
143
28 and 7
The numbers are: 49 and -4
49 and 4
2 x 2 x 7 x 7 = 196
-49 and -4
98 X 2 = 196
-196
These all give you 196: 1 x 196, 2 x 98, 4 x 49, 7 x 28, 14 x 14