B331133131323131133132233133313231333132233132313331323131323221111
>>
B33113313132313113313223313331323133313223313231333132313132322111
<<
B331133131323131133132233133313231333132233132313331323131323221113
>>
B331133131323131133132233133313231333132233132313331323131323221112
>>