B331133131323131133132233133313113313132313133313231323133313231323132322112121
>>
B33113313132313113313223313331311331313231313331323132313331323132313232211212
<<
B331133131323131133132233133313113313132313133313231323133313231323132322112123
>>
B331133131323131133132233133313113313132313133313231323133313231323132322112122
>>