B331133131323131133132233133313231333132233132313331333132313311221311111
>>
B33113313132313113313223313331323133313223313231333133313231331122131111
<<
B331133131323131133132233133313231333132233132313331333132313311221311113
>>
B331133131323131133132233133313231333132233132313331333132313311221311112
>>