B331133131323131133132233133313231323133313331331121111331331121211211312111
>>
B33113313132313113313223313331323132313331333133112111133133112121121131211
<<
B331133131323131133132233133313231323133313331331121111331331121211211312113
>>
B331133131323131133132233133313231323133313331331121111331331121211211312112
>>