digraph Syzygy {
  KRBvKRN -> KRNvKB;
  KRBvKRN -> KRBvKN;
  KRBvKRN -> KRNvKR;
  KRBvKRN -> KRBvKR;
  KRBvKR -> KRvKB;
  KRBvKR -> KRBvK;
  KRBvKR -> KRvKR;
  KRvKR -> KRvK;
  KRBvK -> KBvK;
  KRBvK -> KRvK;
  KRvKB -> KBvK;
  KRvKB -> KRvK;
  KRNvKR -> KRvKN;
  KRNvKR -> KRNvK;
  KRNvKR -> KRvKR;
  KRNvK -> KNvK;
  KRNvK -> KRvK;
  KRvKN -> KNvK;
  KRvKN -> KRvK;
  KRBvKN -> KBvKN;
  KRBvKN -> KRvKN;
  KRBvKN -> KRBvK;
  KBvKN -> KNvK;
  KBvKN -> KBvK;
  KRNvKB -> KBvKN;
  KRNvKB -> KRNvK;
  KRNvKB -> KRvKB;
}