B33113313132313113313223313331323133313223313231333133313232211211113231
>>
B3311331313231311331322331333132313331322331323133313331323221121111323
<<
B33113313132313113313223313331323133313223313231333133313232211211113233
>>
B33113313132313113313223313331323133313223313231333133313232211211113232
>>