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General
 
 
# Author Problem Lang Verdict Time Memory Sent Judged  
197311490 Practice:
2000031074 		1800E2 - 31 PyPy 3 Accepted 483 ms 12312 KB 2023-03-14 05:08:32 2023-03-14 05:08:32
→ Source 
for _ in range (int(input())):
    n,k=map(int,input().split())
    s1=input();s2=input()
    if n<=k:
        print('YES' if s1==s2 else 'NO')
    else:
        i=n-k
        print("YES" if sorted(s1)==sorted(s2) and s1[i:-i] ==s2[i:-i] else "NO")
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Time: ? ms, memory: ? KB
Verdict: ?
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