i don’t know where i am going wrong…
plz help me out!!!
mod=998244353
def fact(n):
f=1
for i in range(2,n+1):
f=(f*i)%mod
#print(f)
return f
def val(n,r):
ans=fact(n)//(fact(r)*fact(n-r))
#print(ans)
return ans
for _ in range(int(input())):
n,m,x1,y1,x2,y2=map(int, input().split())
total=val(n+m,m)
# ways from 0,0 to x1,x2
a1=val(x1+y1,y1)
# ways from x1,y1 to n,m
b1=val(n-x1+m-y1,m-y1)
# ways from 0,0 to x2,y2
a2=val(x2+y2,y2)
# ways from x2,y2 to n,m
b2=val(n-x2+m-y2,m-y2)
# ways from x1,y1 to x2,y2
a3=val(x2-x1+y2-y1,y2-y1)
print((total-a1*b1-a2*b2+a1*b2*a3)%mod)