I took the index from the words, converted the number to binary, additional a few zeros, calculated the sha256 digest, took the first Portion of the hexadecimal to transform it to binary, included three zeros for the eight digits of your binary and acquired 00000010011 which interprets to 19 in https://socialupme.com/story4337981/invalid-bip39-phrase-things-to-know-before-you-buy