I took the index from the words, converted the selection to binary, additional a few zeros, calculated the sha256 digest, took the very first Component of the hexadecimal to transform it to binary, added 3 zeros into the 8 digits in the binary and got 00000010011 which interprets to 19 https://ok-social.com/story4518146/the-2-minute-rule-for-bip39-all-words