B23112323331323132313223313331323331323223313231323133313331323132313233311211
>>
B2311232333132313231322331333132333132322331323132313331333132313231323331121
<<
B23112323331323132313223313331323331323223313231323133313331323132313233311213
>>
B23112323331323132313223313331323331323223313231323133313331323132313233311212
>>