B331133131323131133132233133313231323133313331331121111331333133312213231
>>
B33113313132313113313223313331323132313331333133112111133133313331221323
<<
B331133131323131133132233133313231323133313331331121111331333133312213233
>>
B331133131323131133132233133313231323133313331331121111331333133312213232
>>