Q1072. Is it possible to fill the empty circles in the diagram below with the integers $0, 1, \ldots , 9$ so that the sum of the numbers at the vertices of each shaded triangle is the same?
Q1072. Is it possible to fill the empty circles in the diagram below with the integers $0, 1, \ldots , 9$ so that the sum of the numbers at the vertices of each shaded triangle is the same?