B331133131323131133132233133313231323331323133313132313331323131311111
>>
B33113313132313113313223313331323132333132313331313231333132313131111
<<
B331133131323131133132233133313231323331323133313132313331323131311113
>>
B331133131323131133132233133313231323331323133313132313331323131311112
>>