B33113313132313113313223313331323133313223313231333133313231311332321311
>>
B3311331313231311331322331333132313331322331323133313331323131133232131
<<
B33113313132313113313223313331323133313223313231333133313231311332321313
>>
B33113313132313113313223313331323133313223313231333133313231311332321312
>>