D1121323223313223313112132313231323132312323223313233313331323132313233121   >>    D112132322331322331311213231323132313231232322331323331333132313231323312   <<    D1121323223313223313112132313231323132312323223313233313331323132313233123   >>      D1121323223313223313112132313231323132312323223313233313331323132313233122   >>