I took the index on the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the initial Component of the hexadecimal to transform it to binary, included three zeros for the 8 digits with the binary and bought 00000010011 which interprets to 19 in decimal. https://bookmarkingfeed.com/story18738727/invalid-bip39-phrase-things-to-know-before-you-buy