B331133131323131133132233133313231333132313132322331323331323132313221111
>>
B33113313132313113313223313331323133313231313232233132333132313231322111
<<
B331133131323131133132233133313231333132313132322331323331323132313221113
>>
B331133131323131133132233133313231333132313132322331323331323132313221112
>>