import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

T = int(readline())
m = map(int,read().split())
ABC = zip(m,m,m)

INF = 10 ** 18

def type_231(A,B,C):
    a = B - 1
    if a > A:
        a = A
    c = a - 1
    if c > C:
        c = C
    if c <= 0:
        return INF
    return (A - a) + (C - c)

def type_213(A,B,C):
    a = C - 1
    if a > A:
        a = A
    b = a - 1
    if b > B:
        b = B
    if b <= 0:
        return INF
    return (A - a) + (B - b)

def solve(A,B,C):
    x = min(type_231(A,B,C), type_231(C,B,A), type_213(A,B,C), type_213(C,B,A))
    return x if x < INF else -1

answer = [solve(a,b,c) for a,b,c in ABC]
print('\n'.join(map(str,answer)))