We double

(1♠) - dbl - 

1NT    =    6-10, ♠ ST

2♣/♦/♥    =    4+ card ♣/♦/♥,  9-

2♠    =    5+ card ♣,  10+ 

2NT    =    ♠ ST, denies 4 card ♥, 11-13

3♣    =    5+ card ♦,  10+

3♦    =     4+ card ♥,  10+

3♥    =    4♥, GF    ➲

3♠     =    asking for ST

3NT    =    TP

4♣/♦/♥    =    natural, preemptive, NF

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