B33113313132313113313223313331323133313221211331333133313331333133321123223331
>>
B3311331313231311331322331333132313331322121133133313331333133313332112322333
<<
B33113313132313113313223313331323133313221211331333133313331333133321123223333
>>
B33113313132313113313223313331323133313221211331333133313331333133321123223332
>>