B331133131323131133132233133313231323132333133313112133313231323131121
>>
B33113313132313113313223313331323132313233313331311213331323132313112
<<
B331133131323131133132233133313231323132333133313112133313231323131123
>>
B331133131323131133132233133313231323132333133313112133313231323131122
>>