B33113313132313113313223313331323133313223313231333133313113313232112323131211
>>
B3311331313231311331322331333132313331322331323133313331311331323211232313121
<<
B33113313132313113313223313331323133313223313231333133313113313232112323131213
>>
B33113313132313113313223313331323133313223313231333133313113313232112323131212
>>