I took the index of the words, converted the range to binary, extra three zeros, calculated the sha256 digest, took the primary Section of the hexadecimal to transform it to binary, included three zeros on the 8 digits with the binary and bought 00000010011 which translates to 19 in decimal. https://bookmarkleader.com/story19499371/the-ultimate-guide-to-bip39-seed-phrase-mnemonics-generator