D23112313233313223313132322331323223313223313231323331323131123321   >>    D2311231323331322331313232233132322331322331323132333132313112332   <<    D23112313233313223313132322331323223313223313231323331323131123323   >>      D23112313233313223313132322331323223313223313231323331323131123322   >>