B331133131323131133132233133313231323132333131131333132322231211
>>
B33113313132313113313223313331323132313233313113133313232223121
<<
B331133131323131133132233133313231323132333131131333132322231213
>>
B331133131323131133132233133313231323132333131131333132322231212
>>