D1212132333131322331323331313131323132322331313132333132313113231   >>    D121213233313132233132333131313132313232233131313233313231311323   <<    D1212132333131322331323331313131323132322331313132333132313113233   >>      D1212132333131322331323331313131323132322331313132333132313113232   >>