D1121323223313223313112132313231323123231323223313233313331323221333132333221   >>    D112132322331322331311213231323132312323132322331323331333132322133313233322   <<    D1121323223313223313112132313231323123231323223313233313331323221333132333223   >>      D1121323223313223313112132313231323123231323223313233313331323221333132333222   >>