I took the index in the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the first Section of the hexadecimal to transform it to binary, added a few zeros to the eight digits on the binary and bought 00000010011 which interprets to 19 in https://bookmarkja.com/story21313463/bip39-phrase-generator-can-be-fun-for-anyone