I took the index with the words, converted the range to binary, included a few zeros, calculated the sha256 digest, took the very first Element of the hexadecimal to transform it to binary, included 3 zeros for the eight digits of the binary and got 00000010011 which interprets to 19 https://olivebookmarks.com/story18891264/detailed-notes-on-copyright-wallet-seed-phrase-out-of-bip39