B33113313132313113313223313331323133313223313231333133313231322113132313112121
>>
B3311331313231311331322331333132313331322331323133313331323132211313231311212
<<
B33113313132313113313223313331323133313223313231333133313231322113132313112123
>>
B33113313132313113313223313331323133313223313231333133313231322113132313112122
>>