B23112323331323132313223313331323331323223313231323133313233313233313232231   >>    B2311232333132313231322331333132333132322331323132313331323331323331323223   <<    B23112323331323132313223313331323331323223313231323133313233313233313232233   >>      B23112323331323132313223313331323331323223313231323133313233313233313232232   >>