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Rhestr o wledydd yn nhrefn eu harwynebedd

(Ailgyfeiriad o Rhestr gwledydd a thiriogaethau pellennig yn nhrefn eu harwynebedd)

Mae'r rhestr ganlynol yn cynnwys yn bennaf gwledydd sofran a'u tiriogaethau dibynnol ynghyd ag ambell i wlad arall tebyg i'r Alban, Cymru a Gwlad y Basg, wedi eu rhestru o ran maint eu harwynebedd. Ceir hefyd Rhestr o wledydd gydag arwynebedd llai na Chymru.

Mae bron y cyfan o'r gwledydd hyn wedi derbyn y safon ISO 3166-1. Un ISO sydd i'r Deyrnas Unedig.[1]

Daw'r data o gronfa Uned ystadegaeth y Cenhedloedd Unedig.[2]

Arwynebedd

golygu
Gwlad Cyfanswm
mewn km2
(mi2)		 Tir
mewn km2
(mi2) 		! Dŵr
mewn km2
(mi2)
 Y Byd 510,072,000
(196,940,000) 		148,940,000
(57,510,000) 		361,132,000
(139,434,000)
  Rwsia 17,098,242
(6,601,668) 		16,377,742
(6,323,482) 		720,500
(278,200)
  Antarctica 14,000,000
(5,400,000) 		280,000
(110,000) 		13,720,000
(5,300,000)
  Canada 9,984,670
(3,855,100) 		9,093,507
(3,511,023) 		891,163
(344,080)
  Gweriniaeth Pobl Tsieina 9,596,961
(3,705,407) 		9,326,410
(3,600,950) 		270,550
(104,460)
  Unol Daleithiau America 9,826,675
(3,794,100) 		9,161,966
(3,537,455) 		664,709
(256,646)
  Brasil 8,515,767
(3,287,956) 		8,460,415
(3,266,584) 		55,352
(21,372)
  Awstralia 7,692,024
(2,969,907) 		7,633,565
(2,947,336) 		58,459
(22,571)
  India 3,166,414
(1,222,559) 		2,864,021
(1,105,805) 		302,393
(116,755)
  Yr Ariannin 2,780,400
(1,073,500) 		2,736,690
(1,056,640) 		43,710
(16,880)
  Casachstan 2,724,900
(1,052,100) 		2,699,700
(1,042,400) 		25,200
(9,700)
  Algeria 2,381,741
(919,595) 		2,381,741
(919,595) 		0
(0)
  Gweriniaeth Ddemocrataidd y Congo 2,344,858
(905,355) 		2,267,048
(875,312) 		77,810
(30,040)
  Yr Ynys Las 2,166,086
(836,330) 		410,450
(158,480) 		1,755,636
(677,855)
  Sawdi Arabia 2,149,690
(830,000) 		2,149,690
(830,000) 		0
(0)
  Mecsico 1,964,375
(758,449) 		1,943,945
(750,561) 		20,430
(7,890)
  Indonesia 1,904,569
(735,358) 		1,811,569
(699,451) 		93,000
(36,000)
  Swdan 1,886,068
(728,215)
  Libia 1,759,540
(679,360) 		1,759,540
(679,360) 		0
(0)
  Iran 1,648,195
(636,372) 		1,531,595
(591,352) 		116,600
(45,000)
  Mongolia 1,564,110
(603,910) 		1,553,556
(599,831) 		10,560
(4,080)
  Periw 1,285,216
(496,225) 		1,279,996
(494,209) 		5,220
(2,020)
  Tsiad 1,284,000
(496,000) 		1,259,200
(486,200) 		24,800
(9,600)
  Niger 1,267,000
(489,000) 		1,266,700
(489,100) 		300
(120)
  Angola 1,246,700
(481,400) 		1,246,700
(481,400) 		0
(0)
  Mali 1,240,192
(478,841) 		1,220,190
(471,120) 		20,002
(7,723)
  De Affrica 1,221,037
(471,445) 		1,214,470
(468,910) 		4,620
(1,780)
  Colombia 1,141,748
(440,831) 		1,038,700
(401,000) 		100,210
(38,690)
  Ethiopia 1,104,300
(426,400) 		1,000,000
(390,000) 		104,300
(40,300)
  Bolifia 1,098,581
(424,164) 		1,083,301
(418,265) 		15,280
(5,900)
  Mawritania 1,030,700
(398,000) 		1,025,520
(395,960) 		4,480
(1,730)
  Yr Aifft 1,002,450
(387,050) 		995,450
(384,350) 		6,000
(2,300)
  Tansanïa 945,087
(364,900) 		885,800
(342,000) 		61,500
(23,700)
  Nigeria 923,768
(356,669) 		910,768
(351,649) 		13,000
(5,000)
  Feneswela 916,445
(353,841) 		882,050
(340,560) 		30,000
(12,000)
  Pacistan 881,912
(340,508) 		856,692
(330,771) 		25,220
(9,740)
  Namibia 825,615
(318,772) 		823,290
(317,870) 		2,425
(936)
  Mosambic 801,590
(309,500) 		786,380
(303,620) 		13,000
(5,000)
  Twrci 783,562
(302,535) 		769,632
(297,157) 		13,930
(5,380)
  Tsile 756,102
(291,933) 		743,812
(287,187) 		12,290
(4,750)
  Sambia 752,612
(290,585) 		743,398
(287,028) 		9,220
(3,560)
  Myanmar 676,578
(261,228) 		653,508
(252,321) 		23,070
(8,910)
  Affganistan 652,230
(251,830) 		652,230
(251,830) 		0
(0)
  Ffrainc 640,679
(247,368) 		640,427
(247,270) 		3,374
(1,303)
  Somalia 637,657
(246,201) 		627,337
(242,216) 		10,320
(3,980)
  Gweriniaeth Canolbarth Affrica 622,984
(240,535) 		622,984
(240,535) 		0
(0)
  De Sudan 619,745
(239,285) 		NA NA
  Wcrain 603,500
(233,000) 		553,544
(213,725) 		24,220
(9,350)
  Madagasgar 587,041
(226,658) 		581,540
(224,530) 		5,501
(2,124)
  Botswana 582,000
(225,000) 		566,730
(218,820) 		15,000
(5,800)
  Cenia 580,367
(224,081) 		569,140
(219,750) 		11,227
(4,335)
  Iemen 527,968
(203,850) 		527,968
(203,850) 		0
(0)
  Gwlad Tai 513,120
(198,120) 		510,890
(197,260) 		2,230
(860)
  Sbaen 505,992
(195,365) 		498,980
(192,660) 		6,390
(2,470)
  Tyrcmenistan 488,100
(188,500) 		469,930
(181,440) 		18,170
(7,020)
  Camerŵn 475,442
(183,569) 		472,710
(182,510) 		2,730
(1,050)
  Papua Gini Newydd 462,840
(178,700) 		452,860
(174,850) 		9,980
(3,850)
  Sweden 450,295
(173,860) 		410,335
(158,431) 		39,960
(15,430)
  Wsbecistan 447,400
(172,700) 		425,400
(164,200) 		22,000
(8,500)
  Moroco 446,550
(172,410) 		446,300
(172,300) 		250
(97)
  Irac 438,317
(169,235) 		437,367
(168,868) 		950
(370)
  Paragwâi 406,752
(157,048) 		397,302
(153,399) 		9,450
(3,650)
  Simbabwe 390,757
(150,872) 		386,847
(149,362) 		3,910
(1,510)
  Japan 377,930
(145,920) 		364,485
(140,728) 		13,430
(5,190)
  Yr Almaen 357,114
(137,882) 		348,672
(134,623) 		8,350
(3,220)
  Y Philipinau 342,353
(132,183) 		298,175
(115,126) 		44,178
(17,057)
  Congo 342,000
(132,000) 		341,500
(131,900) 		500
(190)
  Y Ffindir 338,424
(130,666) 		303,815
(117,304) 		34,330
(13,250)
  Fietnam 331,212
(127,882) 		310,070
(119,720) 		21,140
(8,160)
  Maleisia 330,803
(127,724) 		329,613
(127,264) 		1,190
(460)
  Norwy 323,802
(125,021) 		304,282
(117,484) 		19,520
(7,540)
  Arfordir Ifori 322,463
(124,504) 		318,003
(122,782) 		4,460
(1,720)
  Gwlad Pwyl 312,679
(120,726) 		311,888
(120,421) 		791
(305)
  Oman 309,500
(119,500) 		309,500
(119,500) 		0
(0)
  Yr Eidal 301,336
(116,346) 		294,140
(113,570) 		7,200
(2,800)
  Ecwador 276,841
(106,889) 		256,369
(98,985) 		6,720
(2,590)
  Bwrcina Ffaso 272,967
(105,393) 		273,800
(105,700) 		400
(150)
  Seland Newydd 270,467
(104,428) 		262,443
(101,330) 		4,395
(1,697)
  Gabon 267,668
(103,347) 		257,667
(99,486) 		10,000
(3,900)
  Gorllewin Sahara 266,000
(103,000) 		266,000
(103,000) 		0
(0)
  Gini 245,857
(94,926) 		245,717
(94,872) 		140
(54)
  Y Deyrnas Unedig 242,900
(93,800) 		241,930
(93,410) 		1,680
(650)
  Wganda 241,550
(93,260) 		197,100
(76,100) 		43,938
(16,965)
  Ghana 238,533
(92,098) 		227,533
(87,851) 		11,000
(4,200)
  Rwmania 238,391
(92,043) 		229,891
(88,761) 		8,500
(3,300)
  Laos 236,800
(91,400) 		230,800
(89,100) 		6,000
(2,300)
  Gaiana 214,969
(83,000) 		196,849
(76,004) 		18,120
(7,000)
  Belarws 207,600
(80,200) 		202,900
(78,300) 		4,700
(1,800)
  Cirgistan 199,951
(77,202) 		191,801
(74,055) 		8,150
(3,150)
  Senegal 196,722
(75,955) 		192,530
(74,340) 		4,192
(1,619)
  Syria 185,180
(71,500) 		183,630
(70,900) 		1,550
(600)
  Cambodia 181,035
(69,898) 		176,515
(68,153) 		4,520
(1,750)
  Wrwgwái 181,034
(69,898) 		175,015
(67,574) 		1,200
(460)
  Swrinam 163,820
(63,250) 		156,000
(60,000) 		7,820
(3,020)
  Tiwnisia 163,610
(63,170) 		155,360
(59,980) 		8,250
(3,190)
  Bangladesh 147,570
(56,980) 		130,168
(50,258) 		13,830
(5,340)
  Nepal 147,181
(56,827) 		143,351
(55,348) 		3,830
(1,480)
  Tajicistan 143,100
(55,300) 		141,510
(54,640) 		2,590
(1,000)
  Somaliland 137,600
(53,100)
  Gwlad Groeg 131,990
(50,960) 		130,647
(50,443) 		1,310
(510)
  Nicaragwa 130,373
(50,337) 		119,990
(46,330) 		10,380
(4,010)
  Gogledd Corea 120,538
(46,540) 		120,408
(46,490) 		130
(50)
  Malawi 118,484
(45,747) 		94,080
(36,320) 		24,404
(9,422)
  Eritrea 117,600
(45,400) 		101,000
(39,000) 		16,600
(6,400)
  Benin 112,622
(43,484) 		110,622
(42,711) 		2,000
(770)
  Hondwras 112,492
(43,433) 		111,890
(43,200) 		200
(77)
  Liberia 111,369
(43,000) 		96,320
(37,190) 		15,049
(5,810)
  Bwlgaria 110,879
(42,811) 		108,489
(41,888) 		2,390
(920)
  Ciwba 109,884
(42,426) 		109,820
(42,400) 		1,040
(400)
  Gwatemala 108,889
(42,042) 		107,159
(41,374) 		1,730
(670)
  Gwlad yr Iâ 103,000
(40,000) 		100,250
(38,710) 		2,750
(1,060)
  De Corea 100,210
(38,690) 		99,909
(38,575) 		301
(116)
  Hwngari 93,028
(35,918) 		89,608
(34,598) 		3,420
(1,320)
  Portiwgal 92,090
(35,560) 		91,470
(35,320) 		620
(240)
  Gwlad Iorddonen 89,342
(34,495) 		88,802
(34,287) 		540
(210)
  Serbia 88,361
(34,116) 		88,246
(34,072) 		115
(44)
  Aserbaijan 86,600
(33,400) 		86,100
(33,200) 		500
(190)
  Awstria 83,871
(32,383) 		82,445
(31,832) 		1,426
(551)
  Emiradau Arabaidd Unedig 83,600
(32,300) 		83,600
(32,300) 		0
(0)
  Y Weriniaeth Tsiec 78,865
(30,450) 		77,247
(29,825) 		1,620
(630)
  Yr Alban 78,782
(30417)
  Panama 75,417
(29,119) 		74,340
(28,700) 		1,080
(420)
  Sierra Leone 71,740
(27,700) 		71,620
(27,650) 		120
(46)
  Iwerddon 70,273
(27,133) 		68,883
(26,596) 		1,390
(540)
  Georgia 69,700
(26,900) 		69,700
(26,900) 		0
(0)
  Sri Lanca 65,610
(25,330) 		62,732
(24,221) 		2,878
(1,111)
  Lithwania 65,300
(25,200) 		62,680
(24,200) 		2,620
(1,010)
  Latfia 64,559
(24,926) 		62,249
(24,034) 		2,340
(900)
  Svalbard 62,045
(23,956) 		62,045
(23,956) 		0
(0)
  Togo 56,785
(21,925) 		54,385
(20,998) 		2,400
(930)
  Croatia 56,594
(21,851) 		55,974
(21,612) 		620
(240)
  Bosnia-Hertsegofina 51,209
(19,772) 		51,187
(19,763) 		10
(3.9)
  Costa Rica 51,100
(19,700) 		51,060
(19,710) 		40
(15)
  Slofacia 49,037
(18,933) 		48,105
(18,573) 		930
(360)
  Gweriniaeth Dominica 48,671
(18,792) 		48,320
(18,660) 		350
(140)
  Estonia 45,227
(17,462) 		42,388
(16,366) 		2,840
(1,100)
  Denmarc 43,094
(16,639) 		42,434
(16,384) 		660
(250)
  Yr Iseldiroedd 41,850
(16,160) 		33,893
(13,086) 		7,650
(2,950)
  Y Swistir 41,284
(15,940) 		39,997
(15,443) 		1,280
(490)
  Bhutan 38,394
(14,824) 		38,394
(14,824) 		0
(0)
  Taiwan 36,193
(13,974) 		32,260
(12,460) 		3,720
(1,440)
  Gini Bisaw 36,125
(13,948) 		28,120
(10,860) 		8,005
(3,091)
  Moldofa 33,846
(13,068) 		32,891
(12,699) 		960
(370)
  Catalwnia 32,114
(12,399)
  Gwlad Belg 30,528
(11,787) 		30,278
(11,690) 		250
(97)
  Lesotho 30,355
(11,720) 		30,355
(11,720) 		0
(0)
  Armenia 29,843
(11,522) 		29,843
(11,522) 		1,540
(590)
  Ynysoedd Solomon 28,896
(11,157) 		27,986
(10,805) 		910
(350)
  Albania 28,748
(11,100) 		27,398
(10,578) 		1,350
(520)
  Gini Gyhydeddol 28,051
(10,831) 		28,051
(10,831) 		0
(0)
  Bwrwndi 27,834
(10,747) 		25,680
(9,920) 		2,150
(830)
  Haiti 27,750
(10,710) 		27,560
(10,640) 		190
(73)
  Rwanda 26,338
(10,169) 		24,668
(9,524) 		1,670
(640)
  Macedonia 25,713
(9,928) 		25,433
(9,820) 		280
(110)
  Jibwti 23,200
(9,000) 		23,180
(8,950) 		20
(7.7)
  Belîs 22,966
(8,867) 		22,806
(8,805) 		160
(62)
  El Salfador 21,041
(8,124) 		20,721
(8,000) 		320
(120)
  Gwlad a Basg 20,947
(8,087)
  Cymru 20,779
(8022)
  Israel 20,770
(8,020) 		20,330
(7,850) 		440
(170)
  Slofenia 20,273
(7,827) 		20,151
(7,780) 		122
(47)
  Caledonia Newydd 18,575
(7,172) 		18,275
(7,056) 		300
(120)
  Ffiji 18,272
(7,055) 		18,274
(7,056) 		0
(0)
  Coweit 17,818
(6,880) 		17,818
(6,880) 		0
(0)
  Eswatini 17,364
(6,704) 		17,204
(6,643) 		160
(62)
  Timor-Leste 14,874
(5,743) 		14,874
(5,743) 		0
(0)
  Bahamas 13,943
(5,383) 		10,010
(3,860) 		3,870
(1,490)
  Montenegro 13,812
(5,333) 		13,452
(5,194) 		360
(140)
  Fanwatw 12,189
(4,706) 		12,189
(4,706) 		0
(0)
  Ynysoedd y Falklands 12,173
(4,700) 		12,173
(4,700) 		0
(0)
  Qatar 11,586
(4,473) 		11,586
(4,473) 		0
(0)
  Nagorno-Karabakh 11,458
(4,424) 		11,458
(4,424) 		1,200
(460)
  Gambia 11,295
(4,361) 		10,000
(3,900) 		1,295
(500)
  Jamaica 10,991
(4,244) 		10,831
(4,182) 		160
(62)
  Kosovo 10,887
(4,203)
  Libanus 10,452
(4,036) 		10,230
(3,950) 		170
(66)
  Cyprus 9,251
(3,572) 		9,241
(3,568) 		10
(3.9)
  Pwerto Rico 9,104
(3,420) 		9,104
(3,420) 		4,921
(1,900)
  Abkhazia 8,660
(3,340)
  Tiroedd Deheuol ac Antarctig Ffrainc 7,747
(2,991) 		7,668
(2,961) 		79.8
(30.8)
  Ynysoedd UDA yn y Môr Canoldir 6,959.41
(2,687.04) 		22.41
(8.65) 		6,937
(2,678)
  Palesteina 6,220
(2,400) 		5,640
(2,180) 		220
(85)
  Brwnei 5,765
(2,226) 		5,265
(2,033) 		500
(190)
  Trinidad a Thobago 5,130
(1,980) 		5,128
(1,980) 		0
(0)
  Polynesia Ffrengig 4,167
(1,609) 		3,827
(1,478) 		340
(130)
  Transnistria 4,163
(1,607)
  Cabo Verde 4,033
(1,557) 		4,033
(1,557) 		0
(0)
  De Georgia ac Ynysoedd Sandwich y De 3,903
(1,507) 		3,903
(1,507) 		0
(0)
  De Ossetia 3,900
(1,500)
  Gogledd Cyprus 3,355
(1,295)
  Samoa 2,842
(1,097) 		2,821
(1,089) 		10
(3.9)
  Lwcsembwrg 2,586
(998) 		2,586
(998) 		0
(0)
  Mawrisiws 2,040
(790) 		2,030
(780) 		10
(3.9)
  Comoros 1,862
(719) 		1,862
(719) 		0
(0)
  Ynysoedd Ffaro 1,393
(538) 		1,393
(538)
  Hong Cong 1,104
(426) 		1,054
(407) 		50
(19)
  São Tomé a Príncipe 964
(372) 		964
(372) 		0
(0)
  Ynysoedd Turks a Caicos 948
(366) 		430
(170) 		0
(0)
  Ciribati 811
(313) 		811
(313) 		0
(0)
  Bahrein 765
(295) 		765
(295) 		0
(0)
  Dominica 751
(290) 		751
(290) 		0
(0)
  Tonga 747
(288) 		717
(277) 		30
(12)
  Singapôr 710
(270) 		687
(265) 		10
(3.9)
  Taleithiau Ffederal Micronesia 702
(271) 		702
(271)
  Sant Lwsia 616
(238) 		606
(234) 		10
(3.9)
  Ynys Manaw 572
(221) 		572
(221) 		0
(0)
  Gwam 549
(212) 		544
(210) 		0
(0)
  Andorra 468
(181) 		468
(181) 		0
(0)
  Ynysoedd Gogledd Mariana 464
(179) 		464
(179) 		0
(0)
  Palau 459
(177) 		459
(177) 		0
(0)
  Seychelles 452
(175) 		455
(176) 		0
(0)
  Curaçao 444
(171) 		444
(171) 		0
(0)
  Antigwa a Barbiwda 442
(171) 		442.6
(170.9) 		0
(0)
  Barbados 430
(170) 		431
(166) 		0
(0)
  Ysnysoedd Heard a McDonald 412
(159) 		412
(159) 		0
(0)
  Sant Vincent a'r Grenadines 389
(150) 		389
(150) 		0
(0)
  Jan Mayen 377
(146) 		377
(146) 		0
(0)
  U.S. Virgin Islands 347
(134) 		346
(134) 		1,564
(604)
  Grenada 344
(133) 		344
(133) 		0
(0)
  Malta 316
(122) 		316
(122) 		0
(0)
  Saint Helena, Ascension a Tristan da Cunha 308
(119) 		308
(119) 		0
(0)
  Maldif 300
(120) 		298
(115) 		0
(0)
  Ynysoedd Caiman 264
(102) 		264
(102) 		0
(0)
  Sant Kitts-Nevis 261
(101) 		261
(101) 		0
(0)
  Niue 260
(100) 		260
(100) 		0
(0)
  Akrotiri a Dhekelia 253.8
(98.0) 		NA NA
  Saint-Pierre-et-Miquelon 242
(93) 		242
(93) 		0
(0)
  Ynysoedd Cook 236
(91) 		236
(91) 		0
(0)
  Samoa America 199
(77) 		199
(77) 		0
(0)
  Ynysoedd Marshall 181
(70) 		181
(70) 		11,673
(4,507)
  Arwba 180
(69) 		180
(69) 		0
(0)
  Liechtenstein 160
(62) 		160
(62) 		0
(0)
  Ynysoedd Morwynol Prydain 151
(58) 		151
(58) 		0
(0)
  Wallis a Futuna 142
(55) 		142
(55) 		0
(0)
  Ynys y Nadolig 135
(52) 		135
(52) 		0
(0)
  Jersey 116
(45) 		116
(45) 		0
(0)
  Montserrat 102
(39) 		102
(39) 		0
(0)
  Anguilla 91
(35) 		91
(35) 		0
(0)
  Ynys y Garn 78
(30) 		78
(30) 		0
(0)
  San Marino 61
(24) 		61
(24) 		0
(0)
  Tiriogaeth Brydeinig Cefnfor India 60
(23) 		60
(23) 		54,340
(20,980)
  Saint Martin 54
(21) 		54.4
(21.0) 		Neg.
  Bermiwda 54
(21) 		54
(21) 		0
(0)
  Ynys Bouvet 49
(19) 		49
(19) 		0
(0)
  Ynysoedd Pitcairn 47
(18) 		47
(18) 		0
(0)
  Ynys Norfolk 36
(14) 		36
(14) 		0
(0)
  Sint Maarten 34
(13) 		34
(13) 		0
(0)
  Macau 31.3
(12.1) 		28.2
(10.9) 		0
(0)
  Twfalw 26
(10) 		26
(10) 		0
(0)
  Nawrw 21
(8.1) 		21
(8.1) 		0
(0)
  Saint Barthélemy 21
(8.1) 		NA NA
flagcountry/core|variant=|size=|name=}} 14
(5.4) 		14
(5.4) 		0
(0)
  Tocelaw 12
(4.6) 		12
(4.6) 		0
(0)
  Gibraltar 6
(2.3) 		6.5
(2.5) 		0
(0)
  Ynys Wake 6.5
(2.5) 		6.5
(2.5) 		0
(0)
  Ynys Clipperton 6
(2.3) 		6
(2.3) 		0
(0)
  Ynys Navassa 5.4
(2.1) 		5.4
(2.1) 		0
(0)
  Ynysoedd Ashmore a Cartier 5
(1.9) 		5
(1.9) 		0
(0)
Nodyn:Country data Spratly Islands (mewn dadl) <5
(<1.9) 		<5
(<1.9) 		0
(0)
  Coral Sea Islands <3
(<1.2) 		<3
(<1.2) 		0
(0)
  Monaco 2.02
(0.78) 		2.02
(0.78) 		0
(0)
  Dinas y Fatican 0.44
(0.17) 		0.44
(0.17) 		0
(0)

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  1. ↑ Central Intelligence Agency. "Definitions and notes: Location". The World Factbook. Government of the United States. Archifwyd o'r gwreiddiol ar 2018-12-26. Cyrchwyd 30 Tachwedd 2011.
  2. ↑ http://unstats.un.org/unsd/demographic/products/dyb/dyb2012/Table03.pdf Demographic Yearbook – Table 3: Population by sex, rate of population increase, surface area and density; adalwyd 29 Tachwedd 2014

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