Öppningshanden bjuder 2♣ i en av följande budsekvenser

1. ÖH 1♥ SH 1♠ ÖH 2♣
2. ÖH 1♥ SH 1NT ÖH 2♣
3. ÖH 1♠ SH 1NT ÖH 2♣

Svarshandens 2♦ blir då positivt (minst 8)

Öppningshandens tredje

1♥ 1♠ 2♣ 2♦ 2♥ (min 5-4)
1♥ 1♠ 2♣ 2♦ 2♠ (5♥ 3♠ 17+)
1♥ 1♠ 2♣ 2♦ 2NT (5♥ 332 16-17)
1♥ 1♠ 2♣ 2♦ 3m (5+♥ 4+m 17+)
1♥ 1♠ 2♣ 2♦ 3♥ (6+♥ max2♠ 17+)
1♥ 1♠ 2♣ 2♦ 3♠ (5+♥ 4+♣ 3♠ 15-16)
1♥ 1♠ 2♣ 2♦ 3NT (5♥ 332 18-19)

1♥ 1NT 2♣ 2♦ 2♥ (min 5-4)
1♥ 1NT 2♣ 2♦ 2♠ (5♥ 4m 17+)
1♥ 1NT 2♣ 2♦ 2NT (5♥ 332 16-17)
1♥ 1NT 2♣ 2♦ 3m (5+♥ 5+m 17+)
1♥ 1NT 2♣ 2♦ 3♥ (6+♥ max2♠ 17+)
1♥ 1NT 2♣ 2♦ 3NT (5♥ 332 18-19)

1♠ 1NT 2♣ 2♦ 2♥ (5+♠ 4♣ 15-16 or 5♠ 4♣/4♦/4♥ 17+)
1♠ 1NT 2♣ 2♦ 2♠ (min 5-4)
1♠ 1NT 2♣ 2♦ 2NT (5♠ 332 15-17)
1♠ 1NT 2♣ 2♦ 3♣ (5+♠ 5+♣ 17+)
1♠ 1NT 2♣ 2♦ 3♦ (5+♠ 5+♦ 17+)
1♠ 1NT 2♣ 2♦ 3♥ (5+♠ 5+♥ 17+)
1♠ 1NT 2♣ 2♦ 3NT (5♠ 332 18-19)