#include <iostream>
#include <vector>
using namespace std;
 
int maxLengthMountain(vector<int>& h) {
    int n = h.size();
    if (n < 2) {
        return n;
    }
    int max_len = 1;
    int left = 0;
    while (left < n) {
        int right = left;
        // 寻找非递减序列
        while (right + 1 < n && h[right] < h[right + 1]) {
            right++;
        }
        int mid = right;
        // 寻找非递增序列
        while (right + 1 < n && h[right] > h[right + 1]) {
            right++;
        }
        // 若存在山峰（mid > left 且 right > mid），则计算长度
        if (mid > left && right > mid) {
            max_len = max(max_len, right - left + 1);
        }
        left++;
    }
    return max_len;
}
 
int main() {
    int T;
    cin >> T;
    while (T--) {
        int n;
        cin >> n;
        vector<int> h(n);
        for (int i = 0; i < n; i++) {
            cin >> h[i];
        }
        int max_len = 1;
        // 不修改的情况
        max_len = max(max_len, maxLengthMountain(h));
        // 尝试修改每一个元素
        for (int i = 0; i < n; i++) {
            int original = h[i];
            // 尝试将当前元素修改为不同的值
            for (int j = 0; j < n; j++) {
                if (i != j) {
                    h[i] = h[j];
                    max_len = max(max_len, maxLengthMountain(h));
                }
            }
            h[i] = original;
        }
        cout << max_len << endl;
    }
    return 0;
}

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5
3 6 2 3 1
6
1 1 4 5 1 4
10
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