–https://talk.vonabisw.de/Bridge/Jacobi2NTAlv.pdf
–https://talk.vonabisw.de/Bridge/Jacobi2NTAlv.docx
((hcp(north) + hcp(south) >= 21) && (spades(south) >= 3 && spades(south) <= 5 && hcp(south) >= 6 ) && (clubs(north) <= 5 && diamonds(north) <= 5 && hearts(north) <= 5 && spades(north) >= 5 && hcp(north) >= 11 ))