D1121323223313223313112132313231323132312323223313233313331323221123321   >>    D112132322331322331311213231323132313231232322331323331333132322112332   <<    D1121323223313223313112132313231323132312323223313233313331323221123323   >>      D1121323223313223313112132313231323132312323223313233313331323221123322   >>