B331133131323131133132233133313231333132313331323331323223313231323221111
>>
B33113313132313113313223313331323133313231333132333132322331323132322111
<<
B331133131323131133132233133313231333132313331323331323223313231323221113
>>
B331133131323131133132233133313231333132313331323331323223313231323221112
>>