t designs with t=4, v=25

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4-(25,6,lambda) for lambda in { 30, 60} (2 parameter sets) delta lambda = 30, lambda_max=210
4-(25,7,lambda) for lambda in { 140, 210} (2 parameter sets) delta lambda = 70, lambda_max=1330

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created: Fri Oct 23 11:03:10 CEST 2009