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#!/usr/bin/env python
from calendar import isleap
from datetime import datetime
OVERLAP = [datetime(i or 400, 2, 7).weekday()
in ([4] if isleap(i or 400) else [4, 5]) for i in range(400)]
OOP = sum(OVERLAP)
def longcook(start, end):
delta = end - start
if delta <= 0: return 0
return delta//400*OOP + sum(OVERLAP[y % 400]
for y in range(start, start + delta%400))
for t in range(int(input())):
m1, y1 = map(int, input().split())
m2, y2 = map(int, input().split())
print(longcook(y1+(m1>2), y2+(m2!=1)))
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