For srsieve if one inputs multiple sequences to srsieve and at least one sequence has "all terms divisible by x", that it won't sieve the other sequences. I can see why that would be a problem.
Have you considered srsieve2? Chances are that it is faster than srsieve and I believe that one of its output formats is compatible with sr2sieve, which is faster than srsieve2 when using Legendre tables.
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