Can anybody give any case with wrong answer

CodeChef-DSA-learners
1 
n=int(input())
for i in range(n):
    l=input()+"<"
    length=len(l)
    a,b=0,0
    p=[]
    for j in range(length-1):
        if l[j]=="<":
            a=a+1
        else:
            b=b+1
        if l[j]==">" and l[j+1]=="<":
            p.append(2*min(a,b))
            a,b=0,0
    print(max(p))