I took the index of your words, converted the number to binary, included a few zeros, calculated the sha256 digest, took the primary part of the hexadecimal to transform it to binary, extra a few zeros towards the eight digits from the binary and bought 00000010011 which translates to 19 https://socialnetworkadsinfo.com/story20016350/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool