B331133131323131133132233133313231333132313331323331333131133132313231331
>>
B33113313132313113313223313331323133313231333132333133313113313231323133
<<
B331133131323131133132233133313231333132313331323331333131133132313231333
>>
B331133131323131133132233133313231333132313331323331333131133132313231332
>>