T = int(input())

def calc(x):
    ans = 0
    i = 1
    while i <= x:
        end = x + 1
        start = 1
        while end - start > 1:
            mid = end + start >> 1
            if mid * mid * i <= x:
                start = mid
            else:
                end = mid
        #print(i,x,(start + 1) % 2)
        ans += (start + 1) // 2 % 2
        i *= 2
    return ans % 2
for _ in range(T):
    l,r = map(int,input().split())
    ans = calc(r) - calc(l-1)
    print(ans%2)