B33113313132313113313223313331323133313221211331333133313331321123231322121121
>>
B3311331313231311331322331333132313331322121133133313331333132112323132212112
<<
B33113313132313113313223313331323133313221211331333133313331321123231322121123
>>
B33113313132313113313223313331323133313221211331333133313331321123231322121122
>>