I took the index from the words, converted the variety to binary, extra a few zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, extra a few zeros to your eight digits of your binary and bought 00000010011 which translates to 19 https://health-lists.com/story19420174/the-5-second-trick-for-ledger-seed-phrase-bip39