B331133131323131133132233133313231323133313331331121111133313231123313223111
>>
B33113313132313113313223313331323132313331333133112111113331323112331322311
<<
B331133131323131133132233133313231323133313331331121111133313231123313223113
>>
B331133131323131133132233133313231323133313331331121111133313231123313223112
>>