B33113313132313113313223313331323133313223313231333133313112231311311
>>
B3311331313231311331322331333132313331322331323133313331311223131131
<<
B33113313132313113313223313331323133313223313231333133313112231311313
>>
B33113313132313113313223313331323133313223313231333133313112231311312
>>