B331133131323131133132233133313233313231313311232313231333132313231313321
>>
B33113313132313113313223313331323331323131331123231323133313231323131332
<<
B331133131323131133132233133313233313231313311232313231333132313231313323
>>
B331133131323131133132233133313233313231313311232313231333132313231313322
>>