B23112323331323132313223313331323331323223313231323133313231323223331221   >>    B2311232333132313231322331333132333132322331323132313331323132322333122   <<    B23112323331323132313223313331323331323223313231323133313231323223331223   >>      B23112323331323132313223313331323331323223313231323133313231323223331222   >>