Kirjo: Color Sort Puzzle

Pour a colour onto the same colour, or into an empty vial. A vial is finished when it's full of one colour. Finish them all. Three rules — but Kirjo plays a longer game than that. PAR IS THE TRUE MINIMUM Every level's par is proved by a complete search of its positions, not estimated. When you solve a level at par with no helpers, that's flawless — and flawless means something real: nobody on earth can do it in fewer pours. 610 MEASURED LEVELS Six chapters, and every level in them was dealt, measured and selected. Difficulty isn't guessed — the solver counts how many shortest routes a deal has and how often a careless line pours itself into a corner. A level with forty ways through is a warm-up. One with three is an evening. The pour budget tightens as you climb: four pours over par in the first chapter, one in the last three. The last two mix vial sizes, and the final one takes away…