B23112323331323132313223313331333132333132333132313231323132313231313221
>>
B2311232333132313231322331333133313233313233313231323132313231323131322
<<
B23112323331323132313223313331333132333132333132313231323132313231313223
>>
B23112323331323132313223313331333132333132333132313231323132313231313222
>>