B33113313132313113313223313331323133313223313231333133313232223311331313121
>>
B3311331313231311331322331333132313331322331323133313331323222331133131312
<<
B33113313132313113313223313331323133313223313231333133313232223311331313123
>>
B33113313132313113313223313331323133313223313231333133313232223311331313122
>>