B331133131323131133132233133313231323133313331331121111133313231331123232212331
>>
B33113313132313113313223313331323132313331333133112111113331323133112323221233
<<
B331133131323131133132233133313231323133313331331121111133313231331123232212333
>>
B331133131323131133132233133313231323133313331331121111133313231331123232212332
>>