#include <iostream>

using namespace std;

void calculateDegree(int h, int m, int s)
{
    double mm = m * 6 + 0.1*s;
    double hh = h * 30 + 0.5*m + 0.5 / 60 * s;
    double diff = abs(hh - mm);
    int result;
    if (diff > 180)
        result = (int)(360 - diff);
    else
        result = (int)diff;
    cout << result << endl;
}

int main()
{
    int T;
    int h, m, s;
    cin >> T;
    while (T--)
    {
        cin >> h >> m >> s;
        h = h % 12; // 转化成12小时制
        calculateDegree(h, m, s);
    }
    return 0;
}