Now I'm confused. Is this table accurate?
7.

6.

5.

4.

3.

2.

1.

Yes.
Here's my logic, I must be missing something. I want as little help as possible, so a simple "There is a flaw in that logic" or "You are missing something" will suffice.
Lines 1, 4, & 6:

is in slot 1 or 4 & is not repeated.

,

, &

are eliminated.

or

Line 2:

,

,

, &

are eliminated.
Lines 3, 5, & 6:

&

are eliminated.

is in slot 2 or 3 & is not repeated.

is not in slot 4 and must be repeated.
Since

and

can't be in slot 4,

must be.
Since

and

can't be in slot 1,

must be.

or
