I took the index of your words, transformed the number to binary, included 3 zeros, calculated the sha256 digest, took the primary part of the hexadecimal to transform it to binary, added 3 zeros into the 8 digits of the binary and received 00000010011 which interprets to 19 in decimal. https://bookmarkshq.com/story20393175/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news