#include <stdio.h>

int main(void) {
    int t;

    scanf("%d", &t);
    long int abcde[t][5];
    long int num[t];

    for (int i = 0; i < t; i++)
    {
        scanf("%ld %ld %ld %ld %ld", &abcde[i][0], &abcde[i][1], &abcde[i][2], &abcde[i][3], &abcde[i][4]);
        int max = 0;
        int min = 0;  
        for (int j = 1; j < 5; j++){
            if (abcde[i][max] < abcde[i][j]){
                max = j;                
            }
            if (abcde[i][min] > abcde[i][j]){
                min = j;
            }
            
        }
        num[i] = abcde[i][max] - abcde[i][min];
    }
    for (int i = 0; i < t; i++)
    {
        printf("%ld\n", num[i]);
    }
    return 0;
}