I took the index of the words, converted the selection to binary, extra 3 zeros, calculated the sha256 digest, took the initial Component of the hexadecimal to transform it to binary, additional a few zeros for the 8 digits with the binary and bought 00000010011 which translates to 19 in https://bookmark-media.com/story18932784/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-seed-phrase-mnemonics-generator