B331133131323131133132233133313231333132233132313331333132212132311111
>>
B33113313132313113313223313331323133313223313231333133313221213231111
<<
B331133131323131133132233133313231333132233132313331333132212132311113
>>
B331133131323131133132233133313231333132233132313331333132212132311112
>>