B23112323331323132313223313331323331323223313231323133313231322112321
>>
B2311232333132313231322331333132333132322331323132313331323132211232
<<
B23112323331323132313223313331323331323223313231323133313231322112323
>>
B23112323331323132313223313331323331323223313231323133313231322112322
>>