I took the index with the words, transformed the selection to binary, additional 3 zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, extra a few zeros for the 8 digits from the binary and received 00000010011 which interprets to 19 in https://linkedbookmarker.com/story4277029/the-2-minute-rule-for-bip39-all-words