digraph Syzygy { KQQNNvK -> KQNNvK; KQQNNvK -> KQQNvK; KQQNvK -> KQNvK; KQQNvK -> KQQvK; KQQvK -> KQvK; KQNvK -> KNvK; KQNvK -> KQvK; KQNNvK -> KNNvK; KQNNvK -> KQNvK; KNNvK -> KNvK; }