I took the index of the words, transformed the variety to binary, additional 3 zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to transform it to binary, included a few zeros to the eight digits of your binary and obtained 00000010011 which interprets to 19 in https://socialrator.com/story9402194/new-step-by-step-map-for-ledger-seed-phrase-bip39