I took the index of the words, transformed the variety to binary, extra three zeros, calculated the sha256 digest, took the very first A part of the hexadecimal to convert it to binary, added three zeros towards the eight digits of the binary and got 00000010011 which translates to 19 https://getsocialsource.com/story5027955/examine-this-report-on-bip39-mnemonic-phrase-tool