I took the index of the words, converted the range to binary, added 3 zeros, calculated the sha256 digest, took the very first part of the hexadecimal to transform it to binary, extra 3 zeros to the 8 digits of the binary and obtained 00000010011 which interprets to 19 in https://other-space.uncrn.co/blog/bip39-word-list-explained-your-necessary-resource-for-creating-secure-wallets-in-the-copyright-room/