D121213233313132233132333131313132313231333131232322331323132322331322231   >>    D12121323331313223313233313131313231323133313123232233132313232233132223   <<    D121213233313132233132333131313132313231333131232322331323132322331322233   >>      D121213233313132233132333131313132313231333131232322331323132322331322232   >>