B331133131323131133132233133313231333132313132322331323133313232212121211
>>
B33113313132313113313223313331323133313231313232233132313331323221212121
<<
B331133131323131133132233133313231333132313132322331323133313232212121213
>>
B331133131323131133132233133313231333132313132322331323133313232212121212
>>