回転パタン辞書順  
doutonbori の回転パターンは
outonboridutonboridotonboridouonboridoutnboridoutoboridoutonoridoutonbridoutonboidoutonbordoutonbori
これらの中で辞書順では 'boridouton'。
text = 'doutonbori'
# Initialize a variable to store the lexicographically smallest result
smallest_text = text
# Perform the transformation based on the length of the text
for _ in range(len(text)):
    # Perform the rotation
    text = text[1:] + text[0]
    # Check if the current rotation is lexicographically smaller
    if text < smallest_text:
        smallest_text = text
# Display the smallest result
print(smallest_text)