I took the index in the words, converted the range to binary, extra three zeros, calculated the sha256 digest, took the main Component of the hexadecimal to transform it to binary, included a few zeros towards the eight digits of your binary and received 00000010011 which interprets to 19 in https://binksites.com/story9228456/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-seed-phrase-mnemonics-generator