B331133131323131133132233133313231323132121111331333133313231333132312312321
>>
B33113313132313113313223313331323132313212111133133313331323133313231231232
<<
B331133131323131133132233133313231323132121111331333133313231333132312312323
>>
B331133131323131133132233133313231323132121111331333133313231333132312312322
>>