I took the index on the words, converted the range to binary, added 3 zeros, calculated the sha256 digest, took the main Portion of the hexadecimal to transform it to binary, added 3 zeros into the eight digits of the binary and acquired 00000010011 which interprets to 19 in decimal. https://tbookmark.com/story18914059/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-definition