I took the index in the words, converted the quantity to binary, additional three zeros, calculated the sha256 digest, took the initial Portion of the hexadecimal to transform it to binary, added 3 zeros into the 8 digits in the binary and bought 00000010011 which interprets to 19 in decimal. https://bookmark-vip.com/story18866502/fascination-about-invalid-bip39-phrase