B33113313132313113313223313331323132313331313232233133313231333131121212231
>>
B3311331313231311331322331333132313231333131323223313331323133313112121223
<<
B33113313132313113313223313331323132313331313232233133313231333131121212233
>>
B33113313132313113313223313331323132313331313232233133313231333131121212232
>>