B23112323331323132313223313331323331323223313231323133313231323221121131
>>
B2311232333132313231322331333132333132322331323132313331323132322112113
<<
B23112323331323132313223313331323331323223313231323133313231323221121133
>>
B23112323331323132313223313331323331323223313231323133313231323221121132
>>