digraph Syzygy { KQQQvKN -> KQQvKN; KQQQvKN -> KQQQvK; KQQQvK -> KQQvK; KQQvK -> KQvK; KQQvKN -> KQvKN; KQQvKN -> KQQvK; KQvKN -> KNvK; KQvKN -> KQvK; }