941 B | 933 chars
"""
[32068: 보물 찾기](https://www.acmicpc.net/problem/32068)
Tier: Bronze 3
Category: implementation, math
"""
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
SYS_INPUT = True
RECURSION_LIMIT = 10 ** 7
SET_RECURSION = False
BLANK = " "
if SET_RECURSION:
sys.setrecursionlimit(RECURSION_LIMIT)
inp = lambda : sys.stdin.readline().rstrip() if SYS_INPUT else input()
mii = lambda : [*map(int,inp().split())]
mfi = lambda : [*map(float,inp().split())]
ii = lambda : int(inp())
fi = lambda : float(inp())
isplit = lambda : inp().split()
p = print
def gcd(a, b): return gcd(b, a % b) if b > 0 else a
def lcm(a, b): return a * b // gcd(a, b)
def solve():
L, R, S = mii()
left = S - L
right = R - S
# p(left, right)
if left < right:
p(left * 2 + 1)
else:
p(right * 2)
if __name__ == "__main__":
tc = ii()
for t in range(1, tc+1):
ret = solve()