def findNumber(filename):
    substrings = []

    with open(filename, 'r', encoding="utf-8") as file:
        line = 1
        last_number = -1
        flag = 0
        for line in file:
            substring = ''
            for i in line:
                if i == ' ' or i == '\n':
                    flag = 0
                if i in ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']:
                    if int(i) >= last_number:
                        if flag == 0:
                            substring += i
                            last_number = int(i)
                    else:
                        last_number = -1
                        substring = ''
                        flag = 1
                        #break
                else:
                    if len(substring) >= 1:
                        substrings.append(substring)
                        substring = ''
                        last_number = -1
                        flag = 0
        print(substrings)
findNumber('TaskA04/test.txt')