digraph Syzygy {
  KQBBvKN -> KBBvKN;
  KQBBvKN -> KQBvKN;
  KQBBvKN -> KQBBvK;
  KQBBvK -> KBBvK;
  KQBBvK -> KQBvK;
  KQBvK -> KBvK;
  KQBvK -> KQvK;
  KBBvK -> KBvK;
  KQBvKN -> KBvKN;
  KQBvKN -> KQvKN;
  KQBvKN -> KQBvK;
  KQvKN -> KNvK;
  KQvKN -> KQvK;
  KBvKN -> KNvK;
  KBvKN -> KBvK;
  KBBvKN -> KBvKN;
  KBBvKN -> KBBvK;
}