Divide set of number into three equal sum groups

for example i have this set of numbers

7.3
5.5
6.8
5.5
4.1
5.5
4.1
4.1
6.4
4.6
2.3
1.3
5
1.4
2.3
1.8
1.8
1.4
1.8
2.3
1
6


I need an excel that divides them into 3 groups of equal sums, or at least of sums close to each other with minimum error

it doesnt matter if each group contains a different number of elements.