digraph Syzygy { KQNNvKQ -> KNNvKQ; KQNNvKQ -> KQNNvK; KQNNvKQ -> KQNvKQ; KQNvKQ -> KQvKN; KQNvKQ -> KQNvK; KQNvKQ -> KQvKQ; KQvKQ -> KQvK; KQNvK -> KNvK; KQNvK -> KQvK; KQvKN -> KNvK; KQvKN -> KQvK; KQNNvK -> KNNvK; KQNNvK -> KQNvK; KNNvK -> KNvK; KNNvKQ -> KNNvK; KNNvKQ -> KQvKN; }