I took the index in the words, transformed the selection to binary, additional 3 zeros, calculated the sha256 digest, took the primary Element of the hexadecimal to transform it to binary, added 3 zeros into the eight digits of the binary and received 00000010011 which interprets to 19 in decimal. https://socialstrategie.com/story4423111/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase