digraph Syzygy {
  KRRBvKQ -> KRRBvK;
  KRRBvKQ -> KRBvKQ;
  KRRBvKQ -> KRRvKQ;
  KRRvKQ -> KRRvK;
  KRRvKQ -> KQvKR;
  KQvKR -> KRvK;
  KQvKR -> KQvK;
  KRRvK -> KRvK;
  KRBvKQ -> KRBvK;
  KRBvKQ -> KQvKB;
  KRBvKQ -> KQvKR;
  KQvKB -> KBvK;
  KQvKB -> KQvK;
  KRBvK -> KBvK;
  KRBvK -> KRvK;
  KRRBvK -> KRBvK;
  KRRBvK -> KRRvK;
}