B23112323331323132313223313331323331323223313231323132322331323321
  >>
   B2311232333132313231322331333132333132322331323132313232233132332
  <<
   B23112323331323132313223313331323331323223313231323132322331323323
  >>
 
 
 B23112323331323132313223313331323331323223313231323132322331323322
  >>