Question 4 You will be given a String S which contains only two characters - A and B. Your task is to find some substring patten P in that string. The pattern P is - a substring will contain an equal number of A and B in each side. For example, in AABAABBAA, we get AB, AABB, BA, BBAA. In this problem, you have to print each pattern P present in the string S along with their frequency. Finally, print the largest pattern P. If there are multiple largest patterns, print the one that came first. Sample Input I. AABAABBAА Sample Output AB - 2 times BA - 2 times AABB - 1 times BBAA - 1 times Longest Pattern -AABB

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