You are given an array $a$ of length $n$. In one operation, you can pick an index $i$ from $2$ to $n-1$ inclusive, and do one of the following actions:

• Decrease $a_{i-1}$ by $1$, then increase $a_{i+1}$ by $1$.
• Decrease $a_{i+1}$ by $1$, then increase $a_{i-1}$ by $1$.

After each operation, all the values must be non-negative. Can you make all the elements equal after any number of operations?

Input

First line of input consists of one integer $t$ ($1 \le t \le 10^4$)  — the number of test cases.

First line of each test case consists of one integer $n$ ($3 \le n \le 2\cdot 10^5$).

Second line of each test case consists of $n$ integers $a_i$ ($1 \le a_i \le 10^9$).

It is guaranteed that the sum of $n$ of all test cases doesn't exceed $2\cdot 10^5$.

Output

For each test case, print "YES" without quotation marks if it is possible to make all the elements equal after any number of operations; otherwise, print "NO" without quotation marks.

You can print answers in any register: "yes", "YeS", "nO"  — will also be considered correct.

见题面 Input 部分

见题面 Output 部分