I took the index on the words, transformed the variety to binary, extra a few zeros, calculated the sha256 digest, took the main Element of the hexadecimal to transform it to binary, included a few zeros into the eight digits with the binary and obtained 00000010011 which interprets to 19 https://esocialmall.com/story4201777/invalid-bip39-phrase-things-to-know-before-you-buy