D1121323223313223313112132313231323132312323223313233313331313232211321   >>    D112132322331322331311213231323132313231232322331323331333131323221132   <<    D1121323223313223313112132313231323132312323223313233313331313232211323   >>      D1121323223313223313112132313231323132312323223313233313331313232211322   >>