D1121323223313223313112132313231323132312323223313233313331311112121   >>    D112132322331322331311213231323132313231232322331323331333131111212   <<    D1121323223313223313112132313231323132312323223313233313331311112123   >>      D1121323223313223313112132313231323132312323223313233313331311112122   >>