D1121323223313223313112132313231323132312323223313233313331323221331123221   >>    D112132322331322331311213231323132313231232322331323331333132322133112322   <<    D1121323223313223313112132313231323132312323223313233313331323221331123223   >>      D1121323223313223313112132313231323132312323223313233313331323221331123222   >>