== flash reads the infinity-invariant state (k discarded) ==
finite (a,b): charge N=-1  residue r=889769
finite (a,b): charge N=-1  residue r=777125
finite (a,b): charge N=-1  residue r=777073
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INFINITE walk (a = 2^p, p=100, a NEVER built): charge parity, residue r=491358
INFINITE walk (a = 2^p, p=1000000, a NEVER built): charge parity, residue r=539761
INFINITE walk (a = 2^p, p=136279841, a NEVER built): charge parity, residue r=343978
  <- same fixed phase at -inf, 0, +inf
