1H-1N F1 1S-1N F1
2C 1)3H inv 2)2+C FG 2C 1)3S inv 2)2+C FG
2D NAT FG 2DH NAT FG
2H 3H 8-10 2S 3S 8-10
2N 4+H FG (J2N) 2N 4+S FG (J2N)
2S/3m 弱跳叫(0-6) 3m/3H 弱跳叫(0-6)
3H 4H inv 3S 4S inv
3S 缺門spl (then 4C/D/H=C/D/S) 3N 缺門spl (then 4D/H/S=D/H/C)
3N/4m 單張spl 4m/4H 單張spl
4H to play 4S to play