B331133131323131133132233133313231323133313331331121111331323321111111111
>>
B33113313132313113313223313331323132313331333133112111133132332111111111
<<
B331133131323131133132233133313231323133313331331121111331323321111111113
>>
B331133131323131133132233133313231323133313331331121111331323321111111112
>>