B331133131323131133132233133313231333132313331323331333131323221111
>>
B33113313132313113313223313331323133313231333132333133313132322111
<<
B331133131323131133132233133313231333132313331323331333131323221113
>>
B331133131323131133132233133313231333132313331323331333131323221112
>>