B33113313132313113313223313331323133313221323331333132313311232313232233131
>>
B3311331313231311331322331333132313331322132333133313231331123231323223313
<<
B33113313132313113313223313331323133313221323331333132313311232313232233133
>>
B33113313132313113313223313331323133313221323331333132313311232313232233132
>>