B33113313132313113313223313331323133313223313231333133313233211331313232231
>>
B3311331313231311331322331333132313331322331323133313331323321133131323223
<<
B33113313132313113313223313331323133313223313231333133313233211331313232233
>>
B33113313132313113313223313331323133313223313231333133313233211331313232232
>>