Study the following sequence of symbols:
\text{!>@, \quad >@!, \quad @!>, \quad !>@, \quad >@!, \quad @!>, \quad !>@, \quad >@!, \quad ____}

The sequence follows a repeating pattern of symbol arrangements. Choose the correct option that best completes the sequence.

Let's track the dynamic repeating blocks (triplets) in the sequence:
1. $1\text{st}$ element: $\text{!>@}$
2. $2\text{nd}$ element: $\text{>@!}$
3. $3\text{rd}$ element: $\text{@!>}$
4. $4\text{th}$ element: $\text{!>@}$ (The original pattern repeats)
5. $5\text{th}$ element: $\text{>@!}$
6. $6\text{th}$ element: $\text{@!>}$
7. $7\text{th}$ element: $\text{!>@}$
8. $8\text{th}$ element: $\text{>@!}$

The pattern consists of a cyclic set of 3 unique permutations repeating sequentially: $(\text{!>@})\to (\text{>@!})\to (\text{@!>})$.
Following this structural cycle, the missing $9\text{th}$ element must be $\text{@!>}$.