B331133131323131133132233133313231323132333133313111333132313231323112111
>>
B33113313132313113313223313331323132313233313331311133313231323132311211
<<
B331133131323131133132233133313231323132333133313111333132313231323112113
>>
B331133131323131133132233133313231323132333133313111333132313231323112112
>>