B33113313132313113313223313331323133313223313231333133313233311211112121
>>
B3311331313231311331322331333132313331322331323133313331323331121111212
<<
B33113313132313113313223313331323133313223313231333133313233311211112123
>>
B33113313132313113313223313331323133313223313231333133313233311211112122
>>