B33113313132313113313223313331323133313223313231333133313231313331312131231
>>
B3311331313231311331322331333132313331322331323133313331323131333131213123
<<
B33113313132313113313223313331323133313223313231333133313231313331312131233
>>
B33113313132313113313223313331323133313223313231333133313231313331312131232
>>