T=int(input())
for tests in range(T):
    A,B,C,D=map(int,input().split())
    USE=set()
    AD=dict()
    Q=[(A,B,0)]
    AD[A,B]=0

    while Q:
        A,B,now=Q.pop()
        if A==C and B==D:
            if (C,D) in AD:
                AD[C,D]=min(AD[C,D],now)
            else:
                AD[C,D]=now
        elif (A<B and C<D and A<=C and B<=D) or (B<A and D<C and A<=C and B<=D):
            if (C,D) in AD:
                AD[C,D]=min(AD[C,D],now+C-A+D-B)
            else:
                AD[C,D]=now+C-A+D-B

        if A!=0 and B!=0:
            if (0,B) in AD:
                if AD[0,B]>now+1:
                    AD[0,B]=now+1
                    Q.append((0,B,now+1))
            else:
                AD[0,B]=now+1
                Q.append((0,B,now+1))

            if (A,0) in AD:
                if AD[A,0]>now+1:
                    AD[A,0]=now+1
                    Q.append((A,0,now+1))
            else:
                AD[A,0]=now+1
                Q.append((A,0,now+1))

        if A<5 and B!=A+1:
            if (A+1,B) in AD:
                if AD[A+1,B]>now+1:
                    AD[A+1,B]=now+1
                    Q.append((A+1,B,now+1))
            else:
                AD[A+1,B]=now+1
                Q.append((A+1,B,now+1))

        if B<5 and A!=B+1:
            if (A,B+1) in AD:
                if AD[A,B+1]>now+1:
                    AD[A,B+1]=now+1
                    Q.append((A,B+1,now+1))
            else:
                AD[A,B+1]=now+1
                Q.append((A,B+1,now+1))

        
    print(AD[C,D])