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ACOL
Kozak w necie
4 card openings 2c,d strong, 2h,s weak\n
Uncontested
Competitive
1
♣︎
12-20 4+c longest suit
1
♦︎
12-20 4+d longest suit
1
♥︎
12-20 4+h
1
♠︎
12-20 4+s
1NT
12-14
2
♣︎
23+
2
♦︎
multi