D1121323223313223313112132313231323123231323223313233313123123123221   >>    D112132322331322331311213231323132312323132322331323331312312312322   <<    D1121323223313223313112132313231323123231323223313233313123123123223   >>      D1121323223313223313112132313231323123231323223313233313123123123222   >>