digraph Syzygy {
  KRBBNvK -> KBBNvK;
  KRBBNvK -> KRBNvK;
  KRBBNvK -> KRBBvK;
  KRBBvK -> KBBvK;
  KRBBvK -> KRBvK;
  KRBvK -> KBvK;
  KRBvK -> KRvK;
  KBBvK -> KBvK;
  KRBNvK -> KBNvK;
  KRBNvK -> KRNvK;
  KRBNvK -> KRBvK;
  KRNvK -> KNvK;
  KRNvK -> KRvK;
  KBNvK -> KNvK;
  KBNvK -> KBvK;
  KBBNvK -> KBNvK;
  KBBNvK -> KBBvK;
}