B23112323331323132313223313331323331323223313231323133313233313233313232223311
>>
B2311232333132313231322331333132333132322331323132313331323331323331323222331
<<
B23112323331323132313223313331323331323223313231323133313233313233313232223313
>>
B23112323331323132313223313331323331323223313231323133313233313233313232223312
>>