B331133131323131133132233133313231323133313331331121111331333132232212231
>>
B33113313132313113313223313331323132313331333133112111133133313223221223
<<
B331133131323131133132233133313231323133313331331121111331333132232212233
>>
B331133131323131133132233133313231323133313331331121111331333132232212232
>>