I took the index of your words, transformed the selection to binary, included a few zeros, calculated the sha256 digest, took the first Portion of the hexadecimal to transform it to binary, included a few zeros on the 8 digits of your binary and got 00000010011 which interprets to 19 https://bookmarkbooth.com/story18851778/the-ultimate-guide-to-bip39-seed-phrase-github