digraph Syzygy {
  KBBNvKR -> KBBNvK;
  KBBNvKR -> KBNvKR;
  KBBNvKR -> KBBvKR;
  KBBvKR -> KBBvK;
  KBBvKR -> KRvKB;
  KRvKB -> KBvK;
  KRvKB -> KRvK;
  KBBvK -> KBvK;
  KBNvKR -> KBNvK;
  KBNvKR -> KRvKN;
  KBNvKR -> KRvKB;
  KRvKN -> KNvK;
  KRvKN -> KRvK;
  KBNvK -> KNvK;
  KBNvK -> KBvK;
  KBBNvK -> KBNvK;
  KBBNvK -> KBBvK;
}