Spades Hearts Diamonds Clubs

1 -1 1 -2 2* -2+ 1 -1 1NT -2 2* -2+ 1 -1NT 2 -2 2* -2+ 1 -2 2* -2+

That is first show the long suit and then key into the S1-Scheme by bidding 2. A direct bid to 2 shows long Clubs.

Opener then relays with 2* and Responder shows his S1-shape from 2 upwards (See S1-Scheme).