B331133131323131133132233133313231323133313331331123231333132313332232311
>>
B33113313132313113313223313331323132313331333133112323133313231333223231
<<
B331133131323131133132233133313231323133313331331123231333132313332232313
>>
B331133131323131133132233133313231323133313331331123231333132313332232312
>>