I took the index from the words, converted the variety to binary, included three zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to transform it to binary, added 3 zeros into the 8 digits on the binary and bought 00000010011 which interprets to 19 in https://bookmarkuse.com/story18859896/fascination-about-bip39-english-words