B331133131323131133132233133313233313132313311232313231333132313232212311
>>
B33113313132313113313223313331323331313231331123231323133313231323221231
<<
B331133131323131133132233133313233313132313311232313231333132313232212313
>>
B331133131323131133132233133313233313132313311232313231333132313232212312
>>