I took the index of your words, converted the amount to binary, extra a few zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, extra 3 zeros into the 8 digits from the binary and received 00000010011 which translates to 19 in https://bookmarkinglife.com/story4321105/bip39-phrase-generator-can-be-fun-for-anyone