FastQCFastQC Report
Thu 1 Sep 2022
EGAF00003937611

Summary

[OK]Basic Statistics

MeasureValue
FilenameEGAF00003937611
File typeConventional base calls
EncodingSanger / Illumina 1.9
Total Sequences59215
Sequences flagged as poor quality0
Sequence length239
%GC54

[OK]Per base sequence quality

Per base quality graph

[WARN]Per tile sequence quality

Per tile quality graph

[OK]Per sequence quality scores

Per Sequence quality graph

[FAIL]Per base sequence content

Per base sequence content

[FAIL]Per sequence GC content

Per sequence GC content graph

[OK]Per base N content

N content graph

[OK]Sequence Length Distribution

Sequence length distribution

[FAIL]Sequence Duplication Levels

Duplication level graph

[FAIL]Overrepresented sequences

SequenceCountPercentagePossible Source
GGACTACGGGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA18473.1191421092628557No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA17702.9891074896563374No Hit
GGACTACGGGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA15562.6277125728278308No Hit
GGACTACGGGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA15122.55340707590982No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA10021.6921388161783333No Hit
GGACTACGGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA8681.465844802837119No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA8501.4354470995524782No Hit
GGACTACGCGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA7051.1905767119817614No Hit
GGACTACGGGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA6921.1686228151650764No Hit
GGACTACTGGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA6781.1449801570548004No Hit
GGACTACGAGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA6711.1331588279996623No Hit
GGACTACCGGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA6661.1247150215317065No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA6321.0672971375496074No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA6281.0605420923752429No Hit
GGACTACGAGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA6261.0571645697880605No Hit
GGACTACAGGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA6251.0554758084944693No Hit
GGACTACGCGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA6211.0487207633201048No Hit
GGACTACTGGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA5920.9997466858059613No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA5850.9879253567508233No Hit
GGACTACGAGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA5650.9541501308790004No Hit
GGACTACCGGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA5540.9355737566494975No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA5460.9220636663007684No Hit
GGACTACGCGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA5380.9085535759520391No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA5280.8916659630161275No Hit
GGACTACAGGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA5160.8714008274930339No Hit
GGACTACGCGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA5140.8680233049058514No Hit
GGACTACGAGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA5070.8562019758507134No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA4890.8258042725660728No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA4810.8122941822173435No Hit
GGACTACGGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA4670.7886515241070674No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA4000.6755045174364603No Hit
GGACTACGAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3990.6738157561428693No Hit
GGACTACGCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3840.648484336739002No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3800.6417292915646373No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3690.6231529173351347No Hit
GGACTACTCGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA3460.5843114075825382No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3400.5741788398209913No Hit
GGACTACTAGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA3370.5691125559402178No Hit
GGACTACCCGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA3320.5606687494722621No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3290.5556024655914886No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3260.5505361817107152No Hit
GGACTACCAGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA3190.5387148526555772No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA3190.5387148526555772No Hit
GGACTACGAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3120.5268935236004391No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3050.5150721945453011No Hit
GGACTACGCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3050.5150721945453011No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3030.5116946719581187No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA3030.5116946719581187No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2900.4897407751414337No Hit
GGACTACGCGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2890.4880520138478426No Hit
GGACTACAAGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA2870.4846744912606603No Hit
GGACTACACGGGTTTCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA2840.4796082073798868No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2770.46778687832474874No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2700.4559655492696107No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2690.45427678797601956No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2660.44921050409524615No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA2620.4424554589208815No Hit
GGACTACGAGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2580.43570041374651697No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2570.4340116524529257No Hit
GGACTACTAGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2500.42219032339778767No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA2460.41543527822342313No Hit
GGACTACTCGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA2420.4086802330490585No Hit
GGACTACTGGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2400.4053027104618762No Hit
GGACTACGCGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2400.4053027104618762No Hit
GGACTACGGGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA2390.4036139491682851No Hit
GGACTACTAGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA2380.40192518787469395No Hit
GGACTACGAGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2350.39685890399392043No Hit
GGACTACAAGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA2340.3951701427003293No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2320.391792620113147No Hit
GGACTACCCGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA2280.3850375749387824No Hit
GGACTACCAGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA2270.38334881364519124No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2230.37659376847082665No Hit
GGACTACCGGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2230.37659376847082665No Hit
GGACTACCAGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2180.36814996200287087No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2150.3630836781220974No Hit
GGACTACACGGGTATCTAATCCTGTTCGCTCCCCACGCTTTCGCTCCTCA2130.35970615553491514No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA2120.35801739424132395No Hit
GGACTACAGGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA2080.35126234906695936No Hit
GGACTACGCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1950.3293084522502744No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1940.32761969095668325No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1910.3225534070759098No Hit
GGACTACGGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA1910.3225534070759098No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1910.3225534070759098No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA1880.3174871231951364No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1860.31410960060795406No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1820.30735455543358947No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1780.3005995102592249No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1710.2887781812040868No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1690.2854006586169045No Hit
GGACTACGGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA1680.28371189732331337No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1670.2820231360297222No Hit
GGACTACGAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1620.27357932956176645No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1610.2718905682681753No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1590.268513045680993No Hit
GGACTACGAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1550.2617580005066284No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1550.2617580005066284No Hit
GGACTACGCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1450.24487038757071686No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1420.2398041036899434No Hit
GGACTACGGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA1410.23811534239635226No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1390.23473781980917No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1370.23136029722198767No Hit
GGACTACTAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1370.23136029722198767No Hit
GGACTACCAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1370.23136029722198767No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1330.22460525204762308No Hit
GGACTACACGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1330.22460525204762308No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1320.2229164907540319No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1260.21278392299248503No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1260.21278392299248503No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1260.21278392299248503No Hit
GGACTACCCGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1220.2060288778181204No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGCTCCCCACACTTTCGAGCCTCA1190.20096259393734697No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA1170.19758507135016465No Hit
GGACTACGGGGGTATCTAATCCTGTTTGCTCCCCACACTTTCGAGCCTCA1160.1958963100565735No Hit
GGACTACGAGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1150.19420754876298235No Hit
GGACTACCAGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1140.1925187874693912No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1140.1925187874693912No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1110.18745250358861773No Hit
GGACTACGCGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1110.18745250358861773No Hit
GGACTACAAGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1090.18407498100143543No Hit
GGACTACGCGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA1070.18069745841425314No Hit
GGACTACTCGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1050.17731993582707084No Hit
GGACTACTAGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA1030.17394241323988854No Hit
GGACTACGGGGGTTTCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA1020.17225365194629738No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1020.17225365194629738No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1010.17056489065270625No Hit
GGACTACGAGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1010.17056489065270625No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA1000.16887612935911508No Hit
GGACTACGGGGGTTTCTAATCCTATTTGCTCCCCACGCTTTCGTGCTTCA1000.16887612935911508No Hit
GGACTACGAGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA1000.16887612935911508No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1000.16887612935911508No Hit
GGACTACACGGGTATCTAATCCTGTTTGATACCCGCACCTTCGAGCCTCA980.1654986067719328No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA940.1587435615975682No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA940.1587435615975682No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA920.15536603901038587No Hit
GGACTACGGGGGTTTCTAATCCTATTTGCTCCCCACGCTTTCGGGACTGA920.15536603901038587No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA910.15367727771679474No Hit
GGACTACGCGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA890.15029975512961244No Hit
GGACTACGGGGGTATCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA860.14523347124883898No Hit
GGACTACGGGGGTATCTAATCCTATTTGCTCCCCACGCTTTCGGGACTGA830.14016718736806552No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA830.14016718736806552No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA810.13678966478088322No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA780.13172338090010977No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA770.13003461960651863No Hit
GGACTACGAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA760.12834585831292747No Hit
GGACTACGCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA760.12834585831292747No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA750.12665709701933633No Hit
GGACTACAGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA750.12665709701933633No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA740.12496833572574516No Hit
GGACTACGCGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA740.12496833572574516No Hit
GGACTACCGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA730.12327957443215402No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA730.12327957443215402No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA720.12159081313856286No Hit
GGACTACTAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA720.12159081313856286No Hit
GGACTACGAGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA720.12159081313856286No Hit
GGACTACCAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA710.1199020518449717No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA700.11821329055138056No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA700.11821329055138056No Hit
GGACTACGGGGGTATCTAATCCTATTTGCTCCCCACGCTTTCGTGCTTCA690.1165245292577894No Hit
GGACTACGGGGGTTTCTAATCCTGTTCGCTCCCCCAGCTTTCGCGCCTCA680.11483576796419827No Hit
GGACTACTGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA660.11145824537701594No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA660.11145824537701594No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA660.11145824537701594No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA650.10976948408342481No Hit
GGACTACGAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA650.10976948408342481No Hit
GGACTACGCGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA640.10808072278983365No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA640.10808072278983365No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA610.1030144389090602No Hit
GGACTACGCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA600.10132567761546905No Hit
GGACTACGGGGGTATCTAATCCTGTTCGCTCCCCCAGCTTTCGCGCCTCA600.10132567761546905No Hit
GGACTACGAGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA600.10132567761546905No Hit

[OK]Adapter Content

Adapter graph