function findPoint(px, py, qx, qy) {
    return [2 * qx - px, 2 * qy - py];
}

#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char* readline();
char* ltrim(char*);
char* rtrim(char*);
char** split_string(char*);

int parse_int(char*);

int* findPoint(int px, int py, int qx, int qy, int* result_count) {
    // Allocate memory for the result array
    int* result = (int*)malloc(2 * sizeof(int));
    
    // Calculate the reflected point coordinates
    result[0] = 2 * qx - px;
    result[1] = 2 * qy - py;
    
    // Set the result count to 2 since we are returning 2 integers
    *result_count = 2;
    
    return result;
}

int main()
{
    FILE* fptr = fopen(getenv("OUTPUT_PATH"), "w");

    int n = parse_int(ltrim(rtrim(readline())));

    for (int n_itr = 0; n_itr < n; n_itr++) {
        char** first_multiple_input = split_string(rtrim(readline()));

        int px = parse_int(*(first_multiple_input + 0));
        int py = parse_int(*(first_multiple_input + 1));
        int qx = parse_int(*(first_multiple_input + 2));
        int qy = parse_int(*(first_multiple_input + 3));

        int result_count;
        int* result = findPoint(px, py, qx, qy, &result_count);

        for (int i = 0; i < result_count; i++) {
            fprintf(fptr, "%d", *(result + i));

            if (i != result_count - 1) {
                fprintf(fptr, " ");
            }
        }

        fprintf(fptr, "\n");
        free(result);
    }

    fclose(fptr);

    return 0;
}

char* readline() {
    size_t alloc_length = 1024;
    size_t data_length = 0;

    char* data = (char*)malloc(alloc_length);

    while (true) {
        char* cursor = data + data_length;
        char* line = fgets(cursor, alloc_length - data_length, stdin);

        if (!line) {
            break;
        }

        data_length += strlen(cursor);

        if (data_length < alloc_length - 1 || data[data_length - 1] == '\n') {
            break;
        }

        alloc_length <<= 1;

        data = (char*)realloc(data, alloc_length);

        if (!data) {
            data = '\0';

            break;
        }
    }

    if (data[data_length - 1] == '\n') {
        data[data_length - 1] = '\0';

        data = (char*)realloc(data, data_length);

        if (!data) {
            data = '\0';
        }
    } else {
        data = (char*)realloc(data, data_length + 1);

        if (!data) {
            data = '\0';
        } else {
            data[data_length] = '\0';
        }
    }

    return data;
}

char* ltrim(char* str) {
    if (!str) {
        return '\0';
    }

    if (!*str) {
        return str;
    }

    while (*str != '\0' && isspace(*str)) {
        str++;
    }

    return str;
}

char* rtrim(char* str) {
    if (!str) {
        return '\0';
    }

    if (!*str) {
        return str;
    }

    char* end = str + strlen(str) - 1;

    while (end >= str && isspace(*end)) {
        end--;
    }

    *(end + 1) = '\0';

    return str;
}

char** split_string(char* str) {
    char** splits = NULL;
    char* token = strtok(str, " ");

    int spaces = 0;

    while (token) {
        splits = (char**)realloc(splits, sizeof(char*) * ++spaces);

        if (!splits) {
            return splits;
        }

        splits[spaces - 1] = token;

        token = strtok(NULL, " ");
    }

    return splits;
}

int parse_int(char* str) {
    char* endptr;
    int value = strtol(str, &endptr, 10);

    if (endptr == str || *endptr != '\0') {
        exit(EXIT_FAILURE);
    }

    return value;
}

fun findPoint(px: Int, py: Int, qx: Int, qy: Int): Array<Int> {
    val rx = qx + (qx-px)
    val ry = qy + (qy-py)
    return arrayOf(rx, ry)
}