B331133131323131133132233133313123231323132233132313231323132313231111
>>
B33113313132313113313223313331312323132313223313231323132313231323111
<<
B331133131323131133132233133313123231323132233132313231323132313231113
>>
B331133131323131133132233133313123231323132233132313231323132313231112
>>