I took the index in the words, converted the variety to binary, added 3 zeros, calculated the sha256 digest, took the main Element of the hexadecimal to transform it to binary, extra a few zeros into the 8 digits of your binary and got 00000010011 which interprets to 19 in https://webookmarks.com/story4370186/the-2-minute-rule-for-bip39-all-words