digraph Syzygy {
  KQNvKBB -> KBBvKN;
  KQNvKBB -> KQNvKB;
  KQNvKBB -> KBBvKQ;
  KBBvKQ -> KBBvK;
  KBBvKQ -> KQvKB;
  KQvKB -> KBvK;
  KQvKB -> KQvK;
  KBBvK -> KBvK;
  KQNvKB -> KBvKN;
  KQNvKB -> KQNvK;
  KQNvKB -> KQvKB;
  KQNvK -> KNvK;
  KQNvK -> KQvK;
  KBvKN -> KNvK;
  KBvKN -> KBvK;
  KBBvKN -> KBvKN;
  KBBvKN -> KBBvK;
}