Primitive Calculus, Not Sortable

When all choices of civilization can be calculated, War, expansion and sacrifice no longer rely on will, but obey calculation. The Twelve Order Clans share the same set of original calculus centers. It never commands, only gives the optimal path. On its recommendation, civilization maintains a stable, predictable equilibrium over long periods of time. Until a contact from the extra-sequential star field, A variable was introduced that cannot be sorted. A conflict that was supposed to end was abnormally prolonged, The number "Thirteen" began to appear frequently in the records, The original calculation god, for the first time, refused to give decision-making suggestions. "Thirteen" is a hard science fiction novel about the boundaries of rationality. It tells the story of when the civilization project loses its "recommended solution". How the world continues to move.