digraph Syzygy { KQNvKQN -> KQNvKN; KQNvKQN -> KQNvKQ; KQNvKQ -> KQvKN; KQNvKQ -> KQNvK; KQNvKQ -> KQvKQ; KQvKQ -> KQvK; KQNvK -> KNvK; KQNvK -> KQvK; KQvKN -> KNvK; KQvKN -> KQvK; KQNvKN -> KNvKN; KQNvKN -> KQvKN; KQNvKN -> KQNvK; KNvKN -> KNvK; }