MathDB

World Cup in America introduced a new point system. For a victory

3

points are given, for a draw

1

point and for defeat

0

points. In the preliminary games, the teams are divided into groups of

4

teams. In groups, teams play with each other, once, then in accordance with the points scored

a,b,c

and

d

(

a>b>c>d

) teams take the first, second, third and fourth place in their groups. Give all possible options for the distribution points

a,b,c

and

d

Problem Statement