Help me in solving APPLEORANGE problem

help
,
1

My issue

My code

# cook your dish here
for _ in range(int(input())):
    n,m=list(map(int,input().split()))
    if n%2==1 or m%2==1:
        print(1)
    elif n-m==2 or n-m==-2:
        print(2)

Problem Link: APPLEORANGE Problem - CodeChef