Is 8606 generated by TT wrong?

I followed this link for my backdoor roth:

Solved: How and when does form 8606 get triggered in TurboTax (so that I can make sure the taxable a...

and got the form 8606 generated.  However, I feel the 8606 form is calculated wrong. 

My situation: I contributed $8000 in 2024 to a Traditional IRA and converted to Roth IRA immediately. At the end of the year, I had 0 balance in a traditional IRA. and I did the same thing in 2023.

The form generated by TT is:

Line1. Non-deductible contribution: $8000

Line2: Basis: $0

Line 3: $8000

Line 14: $8000

Shouldn't it be below?

Line1. Non-deductible contribution: $8000

Line2: Basis: $0

Line 3 (line 1+2): $8000

Line 4 Contributed between 1/1/2025-4/15/2025: $0

Line 5- (Line 3-line 4): $8000

Line 6 -(all traditional IRA balance as of 12/31/2024): $0

Line 7- Distribution not including conversion: $0

Line 8-Amount converted from traditional to Roth: $8000

Line 9- (add 6,7.8):$8000

Line 10-Line 5/line 9: 1

Line 11: Line 8 * Line 10: $8000

Line 12:Line 7*Line 10: $0

Line 13:Line 11+line 12:$8000

Line 14:Line 3-Line 13: $0

Line 16: $8000

Line 17: $ 8000

 

Which part did I do wrong?