I took the index from the words, converted the selection to binary, additional a few zeros, calculated the sha256 digest, took the first Section of the hexadecimal to transform it to binary, additional a few zeros for the 8 digits on the binary and acquired 00000010011 which interprets to 19 https://gogogobookmarks.com/story19607141/the-definitive-guide-to-bip39-seed-phrase