I took the index from the words, converted the range to binary, added 3 zeros, calculated the sha256 digest, took the first A part of the hexadecimal to convert it to binary, additional a few zeros to the eight digits in the binary and received 00000010011 which interprets to 19 https://wearethelist.com/story20742093/new-step-by-step-map-for-bip39-english-words