Let the length of each game be one.

Three sides are a, b and C.

A is the shortest side at 1 ~ 2.

C is the longest side between 3 and 4.

b-a & lt； c & lta+b

a+b+c=8

For example:

2,3,3

12 root

Let the length of each game be one.

Three sides are a, b and C.

A is the shortest side at 1 ~ 4.

C is the longest side between 4 and 6.

b-a & lt； c & lta+b

a+b+c= 12

For example:

4,4,4

4,3,5,

5,2,5