digraph Syzygy {
  KBNNvKB -> KNNvKB;
  KBNNvKB -> KBNNvK;
  KBNNvKB -> KBNvKB;
  KBNvKB -> KBvKN;
  KBNvKB -> KBNvK;
  KBNvKB -> KBvKB;
  KBvKB -> KBvK;
  KBNvK -> KNvK;
  KBNvK -> KBvK;
  KBvKN -> KNvK;
  KBvKN -> KBvK;
  KBNNvK -> KNNvK;
  KBNNvK -> KBNvK;
  KNNvK -> KNvK;
  KNNvKB -> KNNvK;
  KNNvKB -> KBvKN;
}