import sys
from itertools import combinations

def main():
    input = sys.stdin.read().split()
    ptr = 0
    T = int(input[ptr])
    ptr +=1
    for _ in range(T):
        N, P = int(input[ptr]), int(input[ptr+1])
        ptr +=2
        A = list(map(int, input[ptr:ptr+N]))
        ptr +=N
        
        total =0
        for k in range(1, N+1):
            for subset in combinations(A, k):
                S = sum(subset)
                dp = {0}
                max_sum = 0
                for num in subset:
                    new_dp = set()
                    for s in dp:
                        new_s1 = s + num
                        new_s2 = s - num
                        new_dp.add(new_s1)
                        new_dp.add(new_s2)
                        if new_s1 > max_sum:
                            max_sum = new_s1
                        if new_s2 < -max_sum:
                            max_sum = -new_s2
                    dp = new_dp
                min_abs = float('inf')
                for s in dp:
                    if abs(s) < min_abs:
                        min_abs = abs(s)
                total += min_abs
                if total >= P:
                    total %= P
        print(total % P)
        
if __name__ == '__main__':
    main()