https://pdf.librarivm-ezoensis.net/SG_en_v1.0.2_20260907-0030.pdf 2026-09-07 yearly 0.9 https://pdf.librarivm-ezoensis.net/SG_ja_v1.0.2_20260907-0030.pdf 2026-09-07 yearly 0.9 https://pdf.librarivm-ezoensis.net/SG_20140125.pdf 2026-08-29 never 0.7 https://pdf.librarivm-ezoensis.net/LuteNews143_twisted-fluorocarbon-strings_ja.pdf 2026-09-21 never 0.5