Satisfiability Modulo Theory (SMT) and a nice friendly implementation like Z3. When you have a difficult algorithmic problem and can't be bothered to dream up a

Satisfiability Modulo Theory (SMT) and a nice friendly implementation like Z3. When you have a difficult algorithmic problem and can't be bothered to dream up a good solution, why not try chucking it into a solver and see if a computer can solve it for you? Surprising what it can find - not just Sudoku puzzles and "Mr Green lives next door to Mr Black, the baker lives across the street to the butcher, ... " type stuff either.