def countAndQuantify(substr,s) :
        count = 0
        occurrences = []
        for startIndex in range(len(s)-len(substr)):
                for relativeIndex in range(len(substr)):
                        does_occur = True
                        if s[startIndex+relativeIndex]!=substr[relativeIndex] :
                                does_occur = False
                                break

                if does_occur :
                        distanceFromLast = -1
                        if len(occurrences)>0 :
                                distanceFromLast , _ = occurrences[len(occurrences)-1]
                        occurrences += [[startIndex,distanceFromLast]]
        return occurrences,count


occurrences,count = countAndQuantify('3AEFAE102','S3AEFAE102AFSGDGSHH3AEFAE102 HAJJSHH3AEFAE102BSJSBJS AJKE')
print(count)
print(occurrences)