ILPv4 - Speaker Deck

ILPv4

by どら

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*OUFSMFEHFS1SPUPDPMͷࠓ *-1W֓؍ *OUFSMFEHFS6TFST+BQBO.FFUVQ ೥݄೔ ͲΒ5BJHB/BLBZBNB

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ࣗݾ঺հ! w χοΫωʔϜͲΒɹEPSB!EPSBHUKQ w ιϑτ΢ΣΞΤϯδχΞ w খ͞ͳϕϯνϟʔˠौ୩ͷ*5ܥاۀ w ҰݴͰݴ͏ͱԿͰ΋԰͞Μɻاըɺઃܭɺ࣮૷ɺςετɺϦϦʔεɺӡ༻ w αʔόʔαΠυɺΫϥΠΞϯταΠυͳͲͷܦݧ͋Γ w ۀ຿ܥ΍εϚϗήʔϜͷαʔόʔαΠυʢ+BWB1FSM.Z42-౳ʣ w εϚϗήʔϜͷΫϥΠΞϯταΠυʢ6OJUZ$ʣ w *-1͸ڈ೥͔Βڵຯ͕͋ͬͯௐ΂ͨΓ͍ͯ͠Δ w 8$ͷ*OUFSMFEHFS$PNNVOJUZ(SPVQʹࢀՃ w ࠓճ͸͋͘·Ͱݸਓͱ͓ͯ͠࿩͠·͢ w ಛఆͷاۀ΍ίϛϡχςΟͱ͸ؔ܎͋Γ·ͤΜ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ աڈ࡞඼ ੈքΑɺ͜Ε͕ຊ౰ͷ6OJUZߨ࠲ͩ ੈքͰҰ൪෼͔Γ΍͍͢*OUFSMFEHFS1SPUPDPM ຊ࣭తͳࣄΛੈքҰ෼͔Γ΍͘͢આ໌͢Δࣄʹڧ͍Ϟνϕʔγϣϯ͕͋Δ ԿނͳΒੈքʹ͸ຊ౰ʹ෼͔Γʹ͍͘υΩϡϝϯτ͕ҲΕ͍ͯΔ͔Β ෭ۀ0,ͳͷͰԿ͔͋Ε͹͓੠͕͚Լ͍͞ʢসʣˡ ˞զͳ͕Βܼ࡞͕ͩͬͨձࣾͷϒϩά͕ফ໓ͯ͠ωοτ্͔Βফ͑ͯ͠·ͬͨ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ Ͳ͏࣮ͤ૷͢ΔͳΒWͰ࣮૷͍ͨ͠ͷͰɺઌͣ͸ͪ͜ΒΛษڧ͠Α͏  ͱ͍͏ࣄͰɺษڧͨ͠ࣄΛ͓࿩͠·͢ ຊ౰͸Ͱ͢Ͷʜ *-1Λ࣮૷ͯ͠Έ͓ͨ࿩Λ͔͕ͨͬͨ͠ɺ *-1W͕ग़ͯདྷͨͷͰҰ୴͓͚͋ͣʂ લॻ͖

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ͜ΕΒΛɺϒϨʔΫμ΢ϯ͓ͯ͠࿩͠·͢ ࠓ೔͓࿩͢Δࣄ͸ԼهͰ͢ *-1ͱ͸ҰମԿͳͷ͔ʁ *-1Wͱ͸ҰମԿͳͷ͔ʁ ʹ͜Ε·ͰͱԿ͕ҧ͏ͷ͔ʁ લॻ͖

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ͋͘·Ͱʮݱ࣌఺Ͱ͸ͦ͏͍͏ࣄʹͳ͍ͬͯ·͢ʯ  ͱ͍͏ࣄͰ͢ͷͰɺ͝஫ҙԼ͍͞ ͳ͓ɺ஫ҙͰ͕͢ʜ *-1W͸ݱࡏ࢓༷ࡦఆதͰ͢ ͜͜Ͱ͝঺հ͢Δͷ΋։ൃ్தͷ΋ͷͰ ࠓޙมߋʹͳΔՄೳੑ͕͋Γ·͢ લॻ͖

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ *-1ͱ͸ҰମԿͳͷ͔ʁ ҰԠ͓͞Β͍

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ୆ாͱ͸ɺ؆୯ʹݴ͑͹ޱ࠲͕͋Γ࢒ߴ͕͋Δ༷ͳγεςϜͰɺϏοτίΠϯ΍ۜߦͷγεςϜͳͲ  Ձ஋ͱ͸ɺ͜͜Ͱ͸୆ாʹه࿥͞Εͨ࢒ߴΛࢦ͢ ϓϩτίϧͱ͸σʔλͷ΍ΓऔΓͷৄࡉΛऔΓܾΊͨ࢓༷ *-1͸௨৴ͷ࢓༷Ͱ͋ͬͯϓϩμΫτࣗମΛࢦ͢༁Ͱ͸ͳ͍ *-1 *OUFSMFEHFS1SPUPDPM ͱ͸ɺҰݴͰݴ͏ͱ ҟͳΔ୆ாؒͰ Ձ஋ΛҠಈ͢ΔͨΊͷϓϩτίϧ *-1ͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ *-1ͱ͸ҰମԿͳͷ͔ʁ ੈͷதʹ͸௨՟͕͍ͬͺ͍ʜɻ ؅ཧମ੍ʢ෼ࢄɾதԝʣ΋৭ʑɻ ͭ·Γ୆ா͕৭ʑ͋Δɻ ૬खʹεϜʔεʹ౉͢ͷ͸݁ߏେมɻ = ₹ ⒊ ԿͰͦΜͳ΋ͷ͕ඞཁͳͷʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ தԝ؅ཧ͞Εͨαʔόʔͷ୆ா͕͍͍ਓ΋͍Ε͹ɺ෼ࢄ؅ཧ͞Εͨ୆ா͕͍͍ਓ΋͍Δ ԁ͕͍͍ਓ͕͍Ε͹υϧ͕͍͍ਓ΋͍Δ͠ɺ๏ఆ௨՟Ͱ͸ͳ͍௨՟͕͍͍ਓ΋͍Δ ৭ʑͳਓ͕͍ΔͷͰɺ୯Ұͷ࢓૊ΈͰશͯΛ·͔ͳ͏ͷ͸ͪΐͬͱແཧ͋ΔͰɺͱ͍͏ࣄ جຊతͳࢥ૝ͱͯ͠ɺ શੈքͷਓ͕୯Ұͷ୆ாΛ࢖͏ͷ͸ ແཧ΍Ͱʜʂͱ͍͏લఏʹཱ͍ͬͯΔ *-1ͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ͦͷલఏͰɺͳΜͱ͔Ձ஋Λ؆୯ʹ ૬खʹಧ͚ΒΕͳ͍͔ͳʁ *-1ͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ Ձ஋ͷ؅ཧओମ΍୯Ґ͕ҟͳΔ৔߹ʹ҆શʹࣗ෼ͷՁ஋Λಧ͚͍ͨ ͜ͷσʔλͷ΍ΓऔΓΛ஥հͯ͘͠ΕΔͷ͕*-1 ྫ͑͹ɺ͜Μͳέʔε͕ߟ͑ΒΕΔ *-1ͱ͸ҰମԿͳͷ͔ʁ #5$ ԁ ϏοτίΠϯͷ෼ࢄ؅ཧ͞Εͨl୆ாz ۜߦͷதԝ؅ཧ͞Εͨl୆ாz #͞ΜʹສԁૹΓ͍ͨΜ͚ͩͲɺ ๻͸ϏοτίΠϯ͔࣋ͬͯ͠ͳ͍Α ๻͸ԁ͕͍͍ͳ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ "͞Μ͕ίωΫλʹࢧ෷͏ɺίωΫλ͸#͞Μʹࢧ෷͏ ࣮ࡍ͸"͞Μ͸໘౗ͳࣄΛߟ͑ͳͯ͘΋#͞ΜʹՁ஋Λಧ͚ΒΕΔ ۩ମతʹ͸ʜ ྆ํʹޱ࠲ͷ͋ΔʮίωΫλʯ͕खॿ͚ *-1ͱ͸ҰମԿͳͷ͔ʁ Ledger 1 Account A Ledger 2 Account B Connector BTC/ԁ Bitcoin Ϩδϟʔ<#5$> ۜߦϨδϟʔ<ԁ> Account C1 Account C1 1BTC ૬౰ 0.9BTC ૬౰ A ͞ΜˠίωΫλ ίωΫλˠ#͞Μ ͜͜Ͱ͸ख਺ྉ͕ͱͳ͍ͬͯ·͕͢ɺ ͋͘·ͰྫͰ͋Γ΋ͬͱখ͘͞ͳΔ૝ఆͰ͢

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ίωΫλ͸૬ޓʹ઀ଓ͞Ε͓ͯΓɺ΢Σϒͷ༷ʹͳ͍ͬͯΔ ௚઀઀ଓ͞Ε͍ͯͳ͍ਓʹ΋Ձ஋Λಧ͚Δࣄ͕Ͱ͖Δ ͞Βʹʜ ඞཁʹԠͯ͡ෳ਺ͷίωΫλͰ࿈ଓతʹߦ͍ Ձ஋Λϗοϓ͍ͤͯ͘͞ *-1ͱ͸ҰମԿͳͷ͔ʁ Ledger 1 Account A Ledger 3 Account B Ledger 2 Account C2 Connector 1 BTC/XRP Connector 2 XRP/A-Bank A͞Μ g.crypto.btc.abc B ͞Μ g.jp.banks.a-bank.efg Bitcoin Ϩδϟʔ<#5$> ۜߦ̖Ϩδϟʔ<=> 931Ϩδϟʔ<931> Connector 3 Connector 4 Account C1 Account C1 Account C2

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ *-1ͱ͸ҰମԿͳͷ͔ʁ ୆ாʹΑΒͣՁ஋ΛΠϯλʔωοτ্Ͱ ૬खʹಧ͚Δࣄ͕Ͱ͖Δɻ ͜ΕΛՁ஋ͷΠϯλʔωοτɺ *OUFSOFUPG7BMVFͱݺΜͰ͍Δɻ VALUE VALUE VALUE ࠃࡍతͳਤΛग़͢ͱ਎ۙʹײ͡ΒΕͳ͍͔΋͠Εͳ͍͕ɺࠃ಺Ͱ͋ͬͯ΋૬ख ͷ࢖͍ͬͯΔ୆ா͕ҧ͏ͱ͍͏͜ͱ͸Α͋͘Δ͠ɺΠϯλʔωοτ্Ͱࠃ֎ͷ αʔϏεΛڗड͢Δͱ͍͏ࣄ͸ී௨ʹ͋Δɻ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ *-1Wͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ·ͣ͸۩ମతʹͲ͏ࢥ૝͕มΘͬͨͷ͔͓࿩͠͠ɺ ࣍ʹͦͷϝϦοτʹ͍͓ͭͯ࿩͠͠·͢ *-1ͷಈ͖Λͬ͘͟Γཧղͨ͠ͱ͜ΖͰɺͰ͸*-1Wͱ͸ҰݴͰݴ͏ͱʜ *-1ΛΑΓચ࿅͠ɺվળͨ͠΋ͷ ࢥ૝͕େ͖͘มΘ͍ͬͯΔ *-1Wͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ Ұ౓Ͱࡁ·͢ʜʁۉ࣭ʜʁετϦʔϛϯάͱ͸ʜʁ ࢥ૝͕େ͖͘มΘ͍ͬͯΔͬͯݴ͏͚ͲɺԿ͕มΘͬͨͷʁ େ͖ͳࢧ෷͍ΛҰ౓Ͱࡁ·͢ͷͰ͸ͳ͘ɺ ࡉ੾Εͷۉ࣭ͳࢧ෷͍ʹͯ͠ετϦʔϛϯά͢Δ ˞ࡉ੾Εͷࢧ෷͍ʹ$IVOLFE1BZNFOUTͱ΋ݺ͹Ε͍ͯΔ *-1Wͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ &TDSPXΛར༻͠ɺ1SFQBSFˠ&YFDVUFͷ ϑΣʔζίϛοτҰճͰશମͷՁ஋Λૹ৴ ͜Ε·Ͱͷ*-1Ͱ͸ɺ͜͏͍͏ϑϩʔͰͨ͠ *-1Wͱ͸ҰମԿͳͷ͔ʁ Connector (1) Prepare with condition (2) Execute with fulfillment Ledger 1 [Sender] [Escrow] [Connector] Ledger 2 [Connector] [Escrow] [Receiver] GVMpMMNFOU҉߸Խ͞Εͨࢧ෷͍಺༰ʢ΍΍؆ུԽ͍ͯ͠Δʣ DPOEJUJPOTIB GVMpMMNFOU 4FOEFS͸༧Ί3FDFJWFSͱͷؒͰऔΓܾΊͨDPOEJUJPOΛࢦఆͯ͠&TDSPXʹ༬͚Δɻ &TDSPX͸GVMpMMNFOU͕ͳ͍ͱࢿ࢈ͷҠಈ͕ى͜Βͳ͍ɻ ཁ͸GVMpMMNFOU͸ʮडऔਓ͕ड͚औΔͱ͍͏ҙࢥΛࣔͨ͠ʯͱ͍͏ূɻ GVMpMMNFOUΛୈࡾऀ͕ਪଌ͢Δͷ͸ࠔ೉ɺ$POOFDUPS͸ӕΛ෇͍ͯ4FOEFS͔Β౪Ήࣄ͸Ͱ͖ͳ͍ɻ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ϑΣʔζίϛοτͰ͸͋Δ͕ɺ&TDSPX͸࢖Θͣɺࡉ੾Εʹߦ͏ جຊతʹ͸1BZNFOU$IBOOFMΛ࢖͏૝ఆͳͷͰ܁Γฦͯ͠΋଎౓తʹ͸໰୊ͳ͍ *-1WͰ͸ɺ͜͏͍͏ϑϩʔʹͳΓ·͢ *-1Wͱ͸ҰମԿͳͷ͔ʁ (1) - (2) ΛɺগֹͰɺඞཁͳճ਺͚ͩ܁Γฦ͢ 4FOEFS͸$POOFDUPSͱͷؒʹ1BZNFOU$IBOOFMΛ։͍͓ͯ͘ɻ 4FOEFS͸༧Ί3FDFJWFSͱͷؒͰऔΓܾΊͨ$POEJUJPOΛࢦఆͯ͠$POOFDUPSʹૹ͍ۚͨ͠ࢫΛ఻͑Δɻ $POOFDUPS͸ૹ͍ۚͨ͠Ձ஋Λ"ͷͨΊͷ#BOEXJEUI͔ΒҾ͍͓ͯ͘ɻ #BOEXJEUIͱ͸૬खʹڐͨ͠Ұఆͷ৴༻Ͱɺ͜ΕҎ্͸Ұ౓ʹૹ৴ͤ͞ͳ͍ɻ 3FDFJWFS͸'VMpMMNFOUΛൃߦ͠ɺ$POOFDUPS͸-FEHFSͷ1BZNFOU$IBOOFMΛΞοϓσʔτ͢Δɻ 4FOEFS͸'VMpMMNFOU͕֬ೝͰ͖ͨΒ-FEHFSͷ1BZNFOU$IBOOFMΛΞοϓσʔτ͢Δɻ 1BZNFOU$IBOOFMͷΞοϓσʔτ͕֬ೝͰ͖ͨΒ$POOFDUPS͸#BOEXJEUIΛݩʹ໭͢ɻ 1BZNFOU$IBOOFM͕ద੾ʹΞοϓσʔτ͞Εͳ͔ͬͨ৔߹ɺ$POOFDUPS͸Ҏ߱ͷૹۚΛڋ൱͢Δɻ Connector [Bandwidth for A] [Bandwidth for B] (1) Prepare with condition (2) Execute with fulfillment Ledger 1 [Sender] [Payment Channel] [Connector] Ledger 2 [Connector] [Payment Channel] [Receiver] A B

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ͜ͷ༷ͳܗʹ͢ΔࣄͰ৭ʑͳϝϦοτ͕͋Γɺચ࿅͞Εͯ͘Δ ʮۉ࣭ʯ͸͜ΜͳΠϝʔδ *-1Wͱ͸ҰମԿͳͷ͔ʁ *-1Wˠۉ࣭Ͱ͸ͳ͍ *-1Wˠۉ࣭ͳ$IVOLͷू·Γ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ϒϨʔΫμ΢ϯͯ͠͝આ໌͠·͢ ઃܭࢥ૝͸෼͔͚ͬͨͲɺԿ͕ʮચ࿅ʯ͞Εͨͷʁ ۩ମతʹ͸ɺ ̍ʣωοτϫʔΫશମͷ҆ఆੑ͕޲্ ̎ʣωοτϫʔΫશମͷྲྀಈੑ͕޲্ ̏ʣࢧ෷͍ͷϦεΫ͕࠷খԽ͞ΕΔ ̐ʣ࣮૷ࣗମ͕γϯϓϧʹͳΔ ͱ͍ͬͨϝϦοτ͕͋Δ *-1Wͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ GVMpMMNFOU͕ૹͬͯ͜ΒΕͯ΋GVMpMMͰ͖ͳ͍༷ͳDPOEJUJPOʢVOGVMpMMBCMFDPOEJUJPOʣΛ Θ͟ͱૹΓ͚ͭͯྲྀಈੑΛϩοΫͰ͖ͯ͠·͏ ˞&TDSPX͕λΠϜΞ΢τ͢Δ·Ͱྲྀಈੑ͕ͳ͘ͳͬͯ͠·͏ ωοτϫʔΫશମͷ҆ఆੑ͕޲্ ͜Ε·ͰͷϑΣʔζίϛοτͰ͸ ҙਤͯ͠ѱ༻͠Α͏ͱࢥ͏ͱ ̍ʣड৴ऀ͕ड͚औΓ࣌ؒΛ೚ҙʹͰ͖ͯ͠·͏ ̎ʣωοτϫʔΫͷ%P4ʹܨ͕ͬͯ͠·͏ *-1Wͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ఏڙͰ͖Δྲྀಈੑ͕௿͍ίωΫλ͸େ͖ͳࢧ෷͍Λ୲౰͢Δࣄ͸Ͱ͖ͣɺد༩Ͱ͖ͳ͔ͬͨ ετϦʔϛϯάͰ͋Ε͹ɺҰ෦Λ୲౰͢Δࣄ͸Մೳ ωοτϫʔΫશମͷྲྀಈੑ͕޲্ ͜Ε·ͰͷϑΣʔζίϛοτͰ͸ େ͖ͳࢧ෷͍ΛҰ౓ʹߦ͓͏ͱ͢ΔͷͰ େ͖ͳֹʹͳΕ͹ͳΔ΄Ͳ د༩Ͱ͖ΔίωΫλ͕ݶΒΕͨ *-1Wͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ϦεΫ͕࠷খԽ͞ΕΔͷͰɺηΧϯυϨΠϠʔͷ࢖༻Λڐ༰ ࢧ෷͍ͷϦεΫ͕࠷খԽ͞ΕΔ େ͖ͳֹΛૹΖ͏ͱ͢Ε͹ͦͷ෼ϦεΫ΋େ͖͍ গֹͷύέοτʹ෼͚ͯૹΔࣄͰϦεΫΛ࠷খԽ *-1Wͱ͸ҰମԿͳͷ͔ʁ

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*OUFSMFEHFS1SPUPDPMͷࠓ*-1W֓؍ ྫ͑͹ԁΛૹΓɺ݁Ռͱͯ͠ԁಧ͍ͨͱ͢Δɻख਺ྉ͸ԁͩͬͨͱ෼͔Δɻ ࣄલʹ஌Γ͚ͨΕ͹͜ΕΛVOGVMpMMBCMFDPOEJUJPOͰߦ͏ɻ ૯ྔ͕গͳ͍ͷͰVOGVMpMMBCMFͰ΋໰୊ʹ͸ͳΒͳ͍ɻ ˞*-21͸*-1Wͷख਺ྉΛݟੵ΋ΔͨΊͷϓϩτίϧ ࣮૷ࣗମ͕γϯϓϧʹͳΔ *-21ͱ͍͏ϓϩτίϧ͕ͳ͘ͳΓ ࢧ෷͍ΛʮϕετΤϑΥʔτʯͰߦ͍ ݁Ռͱͯ͠Ͳ͏ͳΔ͔ΛݟΔͱ͍͏ߟ͑ํ *-1Wͱ͸ҰମԿͳͷ͔ʁ

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