B331133131323131133132233133313231323331323133313121111331311312111113231
>>
B33113313132313113313223313331323132333132313331312111133131131211111323
<<
B331133131323131133132233133313231323331323133313121111331311312111113233
>>
B331133131323131133132233133313231323331323133313121111331311312111113232
>>