I took the index of the words, converted the selection to binary, extra a few zeros, calculated the sha256 digest, took the 1st Section of the hexadecimal to transform it to binary, included 3 zeros towards the 8 digits from the binary and received 00000010011 which interprets to 19 in https://social40.com/story4245582/detailed-notes-on-copyright-wallet-seed-phrase-out-of-bip39