i1 : crownGraph 4 o1 = Graph{0 => {5, 6, 7}} 1 => {4, 6, 7} 2 => {4, 5, 7} 3 => {4, 5, 6} 4 => {1, 2, 3} 5 => {0, 2, 3} 6 => {0, 1, 3} 7 => {0, 1, 2} o1 : Graph