Cage order $n(12,6)$

The order of a $(12,6)$-cage, a $12$-regular graph of girth $6$ of minimum order.

Updates

• Upper bound: $266$
  Reference unknown
  [via Dynamic Cage Survey, Geoffrey Exoo and Robert Jajcay, 2013-07-26]
• Lower bound: $266$
  Reference unknown
  [via Dynamic Cage Survey, Geoffrey Exoo and Robert Jajcay, 2013-07-26]