B33113313132313113313223313331323133313233313121111331323133313331333221121211
>>
B3311331313231311331322331333132313331323331312111133132313331333133322112121
<<
B33113313132313113313223313331323133313233313121111331323133313331333221121213
>>
B33113313132313113313223313331323133313233313121111331323133313331333221121212
>>