B33113313132313113313223313331323133313221211331333133313331323232223321
>>
B3311331313231311331322331333132313331322121133133313331333132323222332
<<
B33113313132313113313223313331323133313221211331333133313331323232223323
>>
B33113313132313113313223313331323133313221211331333133313331323232223322
>>