B331133131323131133132233133313231323331323133313112133313231323132322131121
>>
B33113313132313113313223313331323132333132313331311213331323132313232213112
<<
B331133131323131133132233133313231323331323133313112133313231323132322131123
>>
B331133131323131133132233133313231323331323133313112133313231323132322131122
>>