B331133131323131133132233133313231323331323133313112331323132313223313111211
>>
B33113313132313113313223313331323132333132313331311233132313231322331311121
<<
B331133131323131133132233133313231323331323133313112331323132313223313111213
>>
B331133131323131133132233133313231323331323133313112331323132313223313111212
>>