B331133131323131133132233133313233313132313311232313231333133313232111131
>>
B33113313132313113313223313331323331313231331123231323133313331323211113
<<
B331133131323131133132233133313233313132313311232313231333133313232111133
>>
B331133131323131133132233133313233313132313311232313231333133313232111132
>>