I took the index on the words, transformed the range to binary, additional three zeros, calculated the sha256 digest, took the very first Portion of the hexadecimal to transform it to binary, added 3 zeros into the eight digits in the binary and acquired 00000010011 which interprets to 19 in https://dailybookmarkhit.com/story18868123/new-step-by-step-map-for-ledger-seed-phrase-bip39