B331133131323131133132233133313231323133313331331121111133313232112323112111
>>
B33113313132313113313223313331323132313331333133112111113331323211232311211
<<
B331133131323131133132233133313231323133313331331121111133313232112323112113
>>
B331133131323131133132233133313231323133313331331121111133313232112323112112
>>