B331133131323131133132233133313231323133313132322331311331323132311311331
>>
B33113313132313113313223313331323132313331313232233131133132313231131133
<<
B331133131323131133132233133313231323133313132322331311331323132311311333
>>
B331133131323131133132233133313231323133313132322331311331323132311311332
>>