I took the index from the words, transformed the variety to binary, extra a few zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to transform it to binary, included a few zeros on the eight digits from the binary and bought 00000010011 which translates to 19 https://exactlybookmarks.com/story18773560/new-step-by-step-map-for-ledger-seed-phrase-bip39