1, 3, 5, 7, 9, 11, these six numbers are filled in the square, so that the sum of three numbers on each line is equal to 15?

1, 3, 5, 7, 9, 11, these six numbers are filled in the square, so that the sum of three numbers on each line is equal to 15?

1----5---- 9 3 7 11 1+5+9 7+3+5 1+3+11