B331133131323131133132233133313233313331323133211331333133313232112323132311
>>
B33113313132313113313223313331323331333132313321133133313331323211232313231
<<
B331133131323131133132233133313233313331323133211331333133313232112323132313
>>
B331133131323131133132233133313233313331323133211331333133313232112323132312
>>