B33113313132313113313223313331323133313223313231333133313132211231
>>
B3311331313231311331322331333132313331322331323133313331313221123
<<
B33113313132313113313223313331323133313223313231333133313132211233
>>
B33113313132313113313223313331323133313223313231333133313132211232
>>