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                                                         30000022 4101777931
+ The smallest "prime quadruple quadruple" (4 prime quadruples as closely together as admissible) is 300000224101777931 + n, for n = 0, 2, 6, 8; 90, 92, 96, 98; 180, 182, 186, 188; 210, 212, 216, 218. [Andersen]




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