digraph Syzygy { KRRNvKB -> KRNvKB; KRRNvKB -> KRRNvK; KRRNvKB -> KRRvKB; KRRvKB -> KRvKB; KRRvKB -> KRRvK; KRRvK -> KRvK; KRvKB -> KBvK; KRvKB -> KRvK; KRRNvK -> KRNvK; KRRNvK -> KRRvK; KRNvK -> KNvK; KRNvK -> KRvK; KRNvKB -> KBvKN; KRNvKB -> KRNvK; KRNvKB -> KRvKB; KBvKN -> KNvK; KBvKN -> KBvK; }