B23112323331323132313223313331323331323223313231323133313232311231
>>
B2311232333132313231322331333132333132322331323132313331323231123
<<
B23112323331323132313223313331323331323223313231323133313232311233
>>
B23112323331323132313223313331323331323223313231323133313232311232
>>