private void CreateConstraints()
{
var rowConstrainers = RowConstraints.Select(c => new Constrainer(c)).ToList();
var colConstrainers = ColumnConstraints.Select(c => new Constrainer(c)).ToList();
rowConstraintList = Enumerable.Range(0, NumRows).Select(i => new ConstraintListWrapper(i, true, rowConstrainers[i])).ToList();
colConstraintList = Enumerable.Range(0, NumColumns).Select(i => new ConstraintListWrapper(i, false, colConstrainers[i])).ToList();
Debug.Assert(rowConstraintList.Count == NumRows);
Debug.Assert(colConstraintList.Count == NumColumns);
}
