I took the index of the words, converted the quantity to binary, added 3 zeros, calculated the sha256 digest, took the primary A part of the hexadecimal to convert it to binary, added 3 zeros on the eight digits of your binary and bought 00000010011 which translates to 19 in https://captainbookmark.com/story18760299/ledger-seed-phrase-bip39-no-further-a-mystery