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Itoigawa, Japan

Niigata · Japan

Itoigawa is a mid-size city in Niigata, Japan with a population of 40,765. Elevation: 49 ft (15 m). Average temperature: 54°F (12°C).

Data updated June 2026

4.1 /5.0
A Great
40,765 Population 141/sq mi density
49 ft Elevation 15 meters
54°F Avg Temperature 12°C
77.4 in Annual Rain
Asia / Tokyo Timezone
$28,700 Median Income
A
Overall
4.1 / 5.0
Great overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$28,700 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$74,000 home value, $370/mo rent

Discover Itoigawa, Japan

Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
Use the tabs and dropdown menus below to navigate every data point we track for this city.

Full City Profile

People

Population40,765
Median Age50.4 yrs
Density141/mi²

Economy

B
Median Income$28,700
Unemployment2.3%

Housing

A+
Home Value$74,000
Rent$370
Housing Units16,306

Climate

Avg Temp54°F (12°C)
Rain77.4 in/yr
Sunny Days196/yr
Elevation49 ft (15 m)
Population40,765
Population Density141 / sq mi
Elevation49 ft (15 m)
Coordinates37.0333°, 137.8500°
TimezoneAsia/Tokyo
Country🇯🇵 Japan
State / ProvinceNiigata
Average Temperature54°F (12°C)
January Average33°F (1°C)
July Average74°F (23°C)
Annual Precipitation77.4 inches (1,965 mm)
Annual Snowfall15.4 inches (39 cm)
Median Household Income$28,700
Median Age50.4 years

About Itoigawa

Itoigawa is a mid-size city in Japan (Niigata) with a population of 40,765. The city sits at an elevation of 49 feet (15 meters) above sea level. The average annual temperature is 54°F (12°C). Temperatures range from 33°F in January to 74°F in July. Annual precipitation averages 77.4 inches. The timezone is Asia/Tokyo.

Itoigawa has a population of 40,765 with a density of 141 people per square mile, spread across 288.1 square miles. The median age is 50.4 years, 30% older than the national median of 38.9.

Population

40,765
Total Population
141
People / sq mi
50.4yrs
Median Age
30% above Japan avg
288.1mi²
Land Area

Language Spoken at Home

Other Languages 100.0%

Social Characteristics

Itoigawa vs Japan Average

The median household income in Itoigawa is $28,700, which is 62% below the national average of $75,149. The unemployment rate is 2.3% (below the 3.6% US average). The area has 1,304 business establishments.

Income: Itoigawa vs Japan

Commute Mode

Income

Median HH Income$28,700
62% below Japan avg

Employment & Poverty

Unemployment2.3%
36% below Japan avg
Establishments (County)1,304

Business (County)

Tax & Cost of Living

Commute & Transportation

Walkability

The median home value in Itoigawa is $74,000, 74% below the national median of $281,900. Monthly rent averages $370 (68% below the national average of $1,163). There are 16,306 total housing units in the city. The home price-to-income ratio is 2.6x, well within the affordable range.

Home Value Sources

Ownership Split

Home Values

Census Median$74,000
74% below Japan avg

Real Estate Market (Redfin)

Rental Costs

Census Median Rent$370
68% below Japan avg

Ownership & Property

Housing Units16,306

Property Tax

Climate in Itoigawa

Itoigawa has an average annual temperature of 12.3°C (54°F). The hottest month is Aug (25.2°C), the coldest is Jan (0.4°C). Average annual precipitation is 1889 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 0.4°C / 33°F -6.7° / 7.1° 161.7
Feb 1°C / 34°F -5.9° / 10.4° 114.4
Mar 4.7°C / 41°F -2.9° / 16.4° 119.7
Apr 9.3°C / 49°F 0.3° / 21.5° 108.3
May 14.8°C / 59°F 5.1° / 25.9° 118.0
Jun 19.3°C / 67°F 11.3° / 27.5° 167.7
Jul 23.4°C / 74°F 17.7° / 30.1° 218.0
Aug 25.2°C / 77°F 19.1° / 31.8° 164.8
Sep 21.7°C / 71°F 14.2° / 29.7° 178.9
Oct 14.8°C / 59°F 7.2° / 24.7° 177.2
Nov 9.3°C / 49°F 2.1° / 19.7° 156.1
Dec 3.3°C / 38°F -3.6° / 12.6° 204.3
Itoigawa experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 33°F in January while summers reach 74°F in July. The area gets 196 sunny days per year. Annual precipitation totals 77.4 inches (wetter than the 38-inch national average). The area receives 15.4 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 49 feet, near sea level.

Temperature

33°F Jan (1°C) 74°F Jul (23°C)
Annual Average53.8°F
0% below Japan avg
January Average33°F (1°C)
July Average74°F (23°C)
Sunny Days196 days/yr

Geography

Elevation49 ft (15 m)
Area288.1 sq mi (746.2 km²)
Population Density141/sq mi
Coordinates37.0333°N, 137.8500°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 77.4"
104% above Japan avg
Snowfall 15.4"
Wettest Month (Jan) 9.21"
Driest Month (Apr) 3.70"

Air Quality

Earthquake History

632 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.5. Most recent: M4.1 on Aug 23, 2025.

Jan 1, 2024 2024 Noto Peninsula, Japan Earthquake M7.5 72 km
Mar 25, 2007 46 km NW of Nanao, Japan M6.7 117 km
Jul 16, 2007 20 km NNW of Kashiwazaki, Japan M6.6 77 km
Feb 7, 1993 69 km NNE of Nanao, Japan M6.6 86 km
Mar 11, 2011 13 km E of Arai, Japan M6.2 47 km
May 5, 2023 49 km NE of Anamizu, Japan M6.2 75 km
Jan 1, 2024 8 km SW of Anamizu, Japan M6.2 92 km
Jan 9, 2024 53 km WSW of Sado, Japan M5.9 92 km
Jan 1, 2024 42 km NE of Anamizu, Japan M5.8 74 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 126 km
Mar 11, 2011 eastern Honshu, Japan M5.7 41 km
Jun 2, 2024 40 km NE of Anamizu, Japan M5.7 69 km
Jul 16, 2007 16 km NNW of Kashiwazaki, Japan M5.7 76 km
Jan 1, 2024 7 km N of Anamizu, Japan M5.6 90 km
May 5, 2023 43 km NE of Anamizu, Japan M5.6 72 km
Jan 1, 2024 54 km NE of Anamizu, Japan M5.6 67 km
Apr 11, 2011 8 km WSW of Iiyama, Japan M5.5 46 km
Aug 15, 1998 22 km WSW of Hotaka, Japan M5.5 87 km
Jan 1, 2024 56 km NE of Anamizu, Japan M5.5 68 km
May 17, 1990 7 km W of Nanao, Japan M5.4 86 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

28 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Faxai (2019).

Year Name Category Closest
2019 Faxai Category 2 251 km
2019 Hagibis Category 1 211 km
2018 Jebi Category 1 115 km
2018 Jongdari Category 1 290 km
2014 Phanfone Category 1 242 km
2011 Roke Category 1 175 km
2007 Fitow Category 1 200 km
2005 Mawar Category 2 259 km
2004 Ma-on Category 3 237 km
2004 Songda Category 1 252 km
2004 Chaba Category 1 167 km
2003 Etau Category 1 217 km
2002 Higos Category 1 222 km
2001 Danas Category 1 229 km
1999 Bart Category 1 277 km
1998 Vicki Category 2 48 km
1998 Zeb Category 1 201 km
1998 Stella Category 1 189 km
1996 Kirk Category 1 129 km
1995 Ryan Category 1 224 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tsunami History

15 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).

Year Location Cause Max Wave Deaths Distance
2024 HONSHU: W COAST Eruption + Earthquake 11.3 m 549 72 km
1993 HONSHU ISLAND Earthquake 0.5 m - 86 km
1987 HONSHU ISLAND Earthquake 0.2 m - 46 km
2023 NOTO PENINSULA, JAPAN Earthquake 0.1 m 1 74 km
2007 HONSHU: W COAST Earthquake 0.1 m 1 117 km
2007 HONSHU: W COAST Earthquake - 15 82 km
1892 SW. HONSHU ISLAND Earthquake - 1 93 km
1802 NW. HONSHU ISLAND Earthquake - 19 84 km
1799 SW. HONSHU ISLAND Earthquake - - 121 km
1762 NW. HONSHU ISLAND Earthquake - - 140 km
1751 NW. HONSHU ISLAND Eruption + Earthquake - 2,100 29 km
1614 NIIGATA PREFECTURE Earthquake - - 54 km
1448 SADO, JAPAN Earthquake - - 60 km
887 NIIGATA Earthquake - 2,000 56 km
863 NW. HONSHU ISLAND Eruption + Earthquake - - 15 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Niigata-Yakeyama (21 km).

Name Type Elevation Last Eruption Distance
Niigata-Yakeyama Lava dome 2,400 m (7,874 ft) 1998 21 km
Myokosan Stratovolcano 2,454 m (8,051 ft) -750 28 km
Midagahara Stratovolcano 2,621 m (8,599 ft) 1839 56 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 71 km
Washiba-Kumonotaira Shield(s) 2,924 m (9,593 ft) Unknown 73 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 76 km
Asamayama Complex 2,568 m (8,425 ft) 2019 92 km
Yakedake Stratovolcano(es) 2,455 m (8,054 ft) 1995 93 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 106 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 109 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 113 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 128 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 131 km
Ontakesan Complex 3,067 m (10,062 ft) 2014 131 km
Hakusan Stratovolcano 2,702 m (8,865 ft) 1659 137 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 33°F (1°C) 9.2 in Wettest
February 33°F (1°C) 6.1 in Coldest
March 38°F (4°C) 5.0 in
April 50°F (10°C) 3.7 in Driest
May 59°F (15°C) 3.9 in
June 67°F (19°C) 5.9 in
July 74°F (23°C) 7.3 in
August 77°F (25°C) 5.5 in Warmest
September 69°F (21°C) 7.9 in
October 58°F (14°C) 6.2 in
November 48°F (9°C) 7.5 in
December 38°F (4°C) 9.1 in

Itoigawa has a seasonal temperature swing of 44°F / from 33°F in February to 77°F in August. Total annual precipitation is 77.4 inches, with January being the wettest month (9.2") and April the driest (3.7").

View full weather details →

Schools in Itoigawa

13 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
糸魚川市立青海小学校 - - - -
青海中学校 - - - -
大野小学校 - - - -
糸魚川中学校 - - - -
市立糸魚川小学校; 市立ひすいの里総合学校 - - - -
県立糸魚川白嶺高等学校 - - - -
県立糸魚川高等学校 - - - -
市立糸魚川東中学校 - - - -
糸魚川市立根知小学校 - - - -
市立糸魚川東小学校 - - - -
糸魚川市小学校 西海小学校 - - - -
下早川小学校 - - - -
中早川小学校跡地 - - - -
View full schools details →

Radio Stations near Itoigawa

0 stations within ~55 km.

Station Genre Quality

Museums in Itoigawa

NameTypeAddressPhoneAnnual Revenue
Fossa Magna Museum
Railroad Gallery
ひすいの蔵~国石ヒスイと糸魚川のお宝蔵
ひすい美術館
マリンミュージアム海洋
塩の道資料館
糸魚川市長者ケ原考古館
糸魚川歴史民俗資料館
翡翠ふるさと館

Libraries in Itoigawa

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
糸魚川市 能生図書館0.0
糸魚川市民図書館0.0

Hotels in Itoigawa

13 hotels within city radius - OpenStreetMap data

Hotel Geopark
Oyashirazu Exchange Center - Marutanbo 親不知交流センター まるたん坊
Oyashirazu Kanko Hotel
たつみ旅館
たつみ旅館別館
ホテルえびや
ホテルルートイン
ホテル糸魚川インター
ホワイトクリフ
山岸荘
焼山温泉
見晴らし亭
雨飾山荘

Restaurants in Itoigawa

12 restaurants within city radius - OpenStreetMap data

Gusto
Shigezushi
いっさく
かわせみ
すし廣
すし活
はたの寿司
はちろさ
楽々荘
横町ホルモン
膳処くろひめ 食酒場いといがわ
銭形

Cafes in Itoigawa

1 cafes within city radius - OpenStreetMap data

新潟スイーツ・ナカシマ

Theatres in Itoigawa

1 theatres within city radius - OpenStreetMap data

マリンホール

Clinics in Itoigawa

4 clinics within city radius - OpenStreetMap data

なかむらこども内科クリニック
梅田クリニック
石田眼科糸魚川クリニック
美野クリニック

Dentists in Itoigawa

1 dentists within city radius - OpenStreetMap data

倉石歯科医院

Veterinaries in Itoigawa

1 veterinaries within city radius - OpenStreetMap data

大竹獣医科医院

Train Stations in Itoigawa

12 train stations within city radius - OpenStreetMap data

Echigo-Oshiage-Hisuikaigan
Himekawa
Itoigawa
Itoigawa
Kajiyashiki
Kotaki
Kubiki-Ōno
Nechi
Nou
Ōmi
Oyashirazu
Uramoto

Gas Stations in Itoigawa

13 gas stations within city radius - OpenStreetMap data

ENEOS
ENEOS
ENEOS
ENEOS
IDEMITSU
Idemitsu Kosan
JA
JAひすい燃料センター
Shell
Showa Shell Sekiyu
Showa Shell Sekiyu
Showa Shell Sekiyu
丸紅エネルギー

Banks in Itoigawa

1 banks within city radius - OpenStreetMap data

糸魚川信用組合

Shopping Malls in Itoigawa

3 shopping malls within city radius - OpenStreetMap data

イオンタウン糸魚川
ひらせいホームセンター
ヤマシタ奴奈川ショッピングセンター

Golf Courses in Itoigawa

3 golf courses within city radius - OpenStreetMap data

糸魚川カントリークラブ
美山公園グラウンドゴルフ場
美山公園グラウンドゴルフ場

Breweries in Itoigawa

NameTypeAddressPhoneWebsite
加賀の井酒造

Ski Resorts Near Itoigawa

65 ski resorts within range.

Resort Slopes (km) Lifts Peak (m) Price Season Night Park
Hakuba Norikura Onsen Ski Resort 0.0 - - $0 - - -
Kijimadaira Ski Resort 0.0 - - $0 - - -
Makinoiri Kogen Snow Park 0.0 - - $0 - - -
X-JAM Takaifuji 0.0 - - $0 - - -
Kitashiga Komaruyama Ski Resort 0.0 - - $0 - - -
Yomase Onsen Ski Area 0.0 - - $0 - - -
Ryuoo Ski Park 0.0 - - $0 - - -
Hakuba Cortina 0.0 - - $0 - - -
Shiga Kogen Okushiga Kogen Ski Area 0.0 - - $0 - - -
Kurohime Kogen 0.0 - - $0 - - -
Tsugaike Kogen 0.0 - - $0 - - -
Shiga Kogen Yakebitaiyama Ski Area 0.0 - - $0 - - -
Togakushi Ski Area 0.0 - - $0 - - -
Shiga Kogen Ichinose Yamanokami Ski Area 0.0 - - $0 - - -
IIZUNA HIGASHI KOGEN RESORT 0.0 - - $0 - - -
Shiga Kogen Ichinose Diamond Ski Area 0.0 - - $0 - - -
Shiga Kogen Ichinose Family Ski Area 0.0 - - $0 - - -
Shiga Kogen Tannenomori Okojo Ski Area 0.0 - - $0 - - -
Madarao Kogen Mountain Resort 0.0 - - $0 - - -
Tangram Madarao Ski Circus 0.0 - - $0 - - -
Myoko Suginohara Ski Resort 0.0 - - $0 - - -
Ikenotaira Onsen ALPEN BLICK Ski Resort 0.0 - - $0 - - -
Akakura Kanko Ski Resort 0.0 - - $0 - - -
Akakura Onsen Ski Area 0.0 - - $0 - - -
Seki Onsen Ski Area 0.0 - - $0 - - -
Kyukamura Myoko 0.0 - - $0 - - -
Nozawa Onsen 0.0 - - $0 - - -
Itoigawa Seaside Valley Ski Resort 0.0 - - $0 - - -
Togari Onsen Ski Resort 0.0 - - $0 - - -
ARAI SNOW RESORT 0.0 - - $0 - - -
Charmant Hiuchi Snow Resort 0.0 - - $0 - - -
Cupid Valley Ski Area 0.0 - - $0 - - -
Kanayasan Ski Area 0.0 - - $0 - - -
Hakuba 47 0.0 - - $0 - - -
Kazawa Snow Area 0.0 - - $0 - - -
Hijiri Kogen Ski Resort 0.0 - - $0 - - -
Sugadairakogen Pine Beak Ski Area 0.0 - - $0 - - -
Sugadaira Taro Area 0.0 - - $0 - - -
Sugadaira Kogen Davos Hill Ski Area 0.0 - - $0 - - -
Palcall Tsumagoi Resort Ski & Hotel 0.0 - - $0 - - -
Minenohara Kogen 0.0 - - $0 - - -
Jiigatake Snow Resort 0.0 - - $0 - - -
Tateyama Sanroku Ski Area 0.0 - - $0 - - -
Awasuno Ski Area 0.0 - - $0 - - -
Kashimayari Snow Resort 0.0 - - $0 - - -
Hakuba Sanosaka Snow Resort 0.0 - - $0 - - -
Manza Onsen 0.0 - - $0 - - -
Hakuba Goryu 0.0 - - $0 - - -
Shiga Kogen Shibutoge Ski Area 0.0 - - $0 - - -
Takamine Mountain Park Ski Area 0.0 - - $0 - - -
Hakuba Valley 0.0 - - $0 - - -
YAMABOKU Wild Snow Park 0.0 - - $0 - - -
Shiga Kogen Yokoteyama Ski Area 0.0 - - $0 - - -
Shiga Kogen Kumanoyu Ski Area 0.0 - - $0 - - -
Hakuba Happo One 0.0 - - $0 - - -
Shiga Kogen Hasuike Ski Area 0.0 - - $0 - - -
Shiga Kogen Sun Valley Ski Area 0.0 - - $0 - - -
Shiga Kogen Maruike Ski Area 0.0 - - $0 - - -
Shiga Kogen Giant Ski Area 0.0 - - $0 - - -
Shiga Kogen Hoppo Bunadaira Ski Area 0.0 - - $0 - - -
Hakuba Iwatake 0.0 - - $0 - - -
Shiga Kogen Higashidateyama Ski Area 0.0 - - $0 - - -
Shiga Kogen Nishidateyama Ski Area 0.0 - - $0 - - -
Shiga Kogen Terakoya Ski Area 0.0 - - $0 - - -
Shiga Kogen Takamagahara Mammoth Ski Area 0.0 - - $0 - - -

Airports Near Itoigawa

4 airports within the area.

AirportIATAType
Toyama Kitokito AirportTOYMedium Airport
Nagano City Gliderport-Small Airport
Nishigawara Airfield-Small Airport
Ogurayama Paraglider Launch-Small Airport

Post Offices in Itoigawa

17 post offices.

Post OfficeAddress
Echigo Ono Post Office
Itoigawa Oshiage Poes Office
Itoigawa Post Office
Itoigawa Yokomachi Post Office
Kajiyashiki Post Office
Kamihayakawa Post Office
Kotaki Post Office
Nechi Post Office
Nishiumi Post Office
No Post Office
Omi Hachikubo Post Office
Omi Post Office
Oyashirazu Post Office
Shimhayakawa Post Office
Uramoto Summary Post Office
糸魚川横町郵便局
越簡易郵便局

Churches & Religious Organizations in Itoigawa

15 religious organizations (IRS tax-exempt data).

NameAddress
Zenrinji Temple
カトリック糸魚川教会
中浜諏訪神社
光照寺
善正寺
専徳寺
昌禅寺
曹洞宗 禅雄寺
桜ケ丘神社
熊野神社
立壁神社
糸魚川キリスト教会
西光寺
諏訪神社
青海神社

Quick Facts

Timezone
Asia/Tokyo

🇯🇵 About Japan

Capital Tokyo
Population 126,529,100
Area 377,835 km²
GDP (USD) $4,213,167,237,906
GDP per capita $33,836
HDI 0.925
Life expectancy 84.0 years
Internet users 87.0%
Urban population 92.1%
Currency JPY (Yen)
Languages Japanese
Calling code +81
TLD .jp
Driving side left

Public Holidays in Japan

16 public holidays this year

Date Holiday Local Name
Jan 1 New Year's Day 元日
Jan 12 Coming of Age Day 成人の日
Feb 11 Foundation Day 建国記念の日
Feb 23 The Emperor's Birthday 天皇誕生日
Mar 20 Vernal Equinox Day 春分の日
Apr 29 Shōwa Day 昭和の日
May 4 Greenery Day みどりの日
May 5 Children's Day こどもの日
May 6 Constitution Memorial Day 憲法記念日
Jul 20 Marine Day 海の日
Aug 11 Mountain Day 山の日
Sep 21 Respect for the Aged Day 敬老の日
Sep 23 Autumnal Equinox Day 秋分の日
Oct 12 Sports Day スポーツの日
Nov 3 Culture Day 文化の日
Nov 23 Labour Thanksgiving Day 勤労感謝の日

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Frequently Asked Questions About Itoigawa

What is the population of Itoigawa?

Itoigawa has a population of 40,765 residents and is located in Japan. The population density is 141 people per square mile, spread across 288.1 square miles. The median age of residents is 50.4 years, which is older than the national median of 38.9 years.

Is Itoigawa expensive to live in?

The median household income is $28,700, 62% below the national average of $75,149. The median home value is $74,000 (74% below the U.S. median). Renters pay a median of $370 per month, below the national average of $1,163. The home price-to-income ratio is 2.6x, indicating housing is reasonably affordable relative to local income levels.

What is the weather like in Itoigawa?

Itoigawa has a four-season climate with an average annual temperature of 54°F (12°C). Winter temperatures average 33°F in January, while summers reach an average of 74°F in July. The area receives 196 sunny days per year. Annual rainfall totals 77.4 inches, with 15.4 inches of snow.

How is the job market in Itoigawa?

The job market in Itoigawa is very strong, with unemployment at just 2.3% / well below the national rate of 3.6%. There are 1,304 business establishments in the area.

How much does housing cost in Itoigawa?

The median home value in Itoigawa is $74,000. For renters, the median monthly rent is $370.

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