I took the index with the words, converted the amount to binary, included a few zeros, calculated the sha256 digest, took the primary A part of the hexadecimal to convert it to binary, added 3 zeros into the eight digits in the binary and bought 00000010011 which interprets to 19 https://bookmarkbirth.com/story19128928/new-step-by-step-map-for-bip39-english-words