B331133131323131133132233133313231333132313331323331333133313331123111
>>
B33113313132313113313223313331323133313231333132333133313331333112311
<<
B331133131323131133132233133313231333132313331323331333133313331123113
>>
B331133131323131133132233133313231333132313331323331333133313331123112
>>