Meckwell 2003

1¨-1ª-2¨=6+¨,NF

2©=Art. GF

2©-2ª=3ª

2©-2NT=*1-3-6-3

        *2-2-6-3

        *2-3-6-2

2©-3§=6¨+4§

2©-3¨=7¨

2ª=6+ª,NF

2NT=Invite

3¨=Invite

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This info is acc. to Meckwell principles but is a private interpretation. Other interpretations are possible