B33113313132313113313223313331323331333132112323133313231323132313131121
>>
B3311331313231311331322331333132333133313211232313331323132313231313112
<<
B33113313132313113313223313331323331333132112323133313231323132313131123
>>
B33113313132313113313223313331323331333132112323133313231323132313131122
>>